The BEST Calibration Method Just Got BETTER
Summary
TLDRこの動画は、キャリブレーション花(キャウリiflower)と呼ばれる3Dプリンタのキャリブレーションツールについて紹介しています。新機能や変更点について説明し、キャリブレーションソフトウェアの使い方のヒントを提供します。重要な更新点としては、calculatorの改善、reprap firmwareのための新しいskew fixコマンド、そしてMarlin firmwareの設定をGcodeで行えるようにした点が挙げられます。また、STLファイルの改良や、ExcelからLibreOfficeに移行したことなども触れています。最後に、キャウリflowerの使いどころについても提案しています。
Takeaways
- 🌸 校正花(Cauliflower)是用于校准3D打印机的工具,它有新的软件更新和一些变化。
- 🔄 校正花的名字从Calibration Flower更改为Cauliflower,更加直观和有趣。
- 📊 软件计算器中添加了更多的结果解释和实施指南,以帮助用户更好地使用。
- 📐 计算器现在可以计算每毫米或每旋转的步数,方便用户进行校正。
- 🔧 针对Rerap固件和Marlin固件,添加了特定的校正命令,简化了用户的操作。
- 🛠️ 修正了Marlin固件配置中的一个错误,采用了新的校正方法,减少了误差。
- 📋 计算器现在支持LibreOffice版本,这是一个开源的办公套件,避免了格式转换问题。
- 🔄 迭代校正在当前版本的计算器中不适用,单次运行计算通常足够。
- 🎁 在线提供的文件集将只包含Cauliflower和计算器,移除了之前包含的其他测试文件。
- 📝 校正花的STL文件进行了小改动,以解决测量误差问题。
- 🍵 打印出的Cauliflower可以作为茶杯垫使用,既实用又环保。
Q & A
Calibration flowerは何に使われますか?
-Calibration flowerはプリンターのキャリブレーションに使用されます。
新しい名前が付けられたCalibration flowerは何ですか?
-新しい名前はCauliflowerです。
どのソフトウエアにCalibration flowerの更新が適用されていますか?
-更新はCalibration software calculatorに適用されています。
新たに追加された機能は何ですか?
-新しい機能には結果の解釈、ステップパーミリメートル計算、およびreprapファームウェアのためのスキュー訂正コマンドが含まれます。
既存のMarlinファームウェアの調整方法は何が問題でしたか?
-以前の計算方法には不明確なバグがあり、一部のユーザーが十分なスキュー訂正を行うことができなかったため、代替のスキュー方法に変更されました。
新たに追加されたM852コマンドは何のために使用されますか?
-M852コマンドは、Gコードを介してMarlinファームウェアのSKUを設定するために使用されます。
Calibration flowerのSTLファイルにはどのような変更が加えられましたか?
-STLファイルの外部に付けられたチャムファーが、測定エラーを引き起こす可能性があるため、角丸いフィリップに変更されました。
どのような種類のプリンターがCalibration flowerの使用に適しています?
-消費者向けのほとんどのプリンターに適していますが、Prusa i3 Mark 3 S Plusなどの組み込みキャリブレーション方法があるプリンターは例外です。
既存のファイルセットにどのような変更が加えられましたか?
-以前にはブリッジやオーバーハングテストが含まれていましたが、それらは使用されていなかったため、Calibration flowerとチャージャーのみに変更されました。
Calibration flowerの結果を正しく解釈するために注意すべき点は何ですか?
-結果の解釈では、内径と外径の平均値が同じであるべきであり、これはノズルが正確に移動していることを示しています。また、スキューエラーは角度であり、スケールの変更によって変化しません。
Calibration flowerを使用した後、余ったものはどうすべきですか?
- Calibration flowerの余ったものはコップやマグなどのマットとして再利用することができます。
Outlines
🌼 カリフラワーのアップデートと新機能
この段落では、カリフラワーという3Dプリンタのキャリブレーションツールに加えられたアップデートと新機能について説明されています。カリフラワーは、プリンタの精度を向上させるための装置で、新しいソフトウェアや変更された設計、そして使用法のヒントが紹介されています。特に注目すべきは、カリフラワーの名前変更から始まり、ソフトウェア内での結果の解釈や、reprapFirmware向けのスキュー校正コマンドの追加、Marlin Firmwareの設定方法の変更、そしてSTLファイルへの微調整などが挙げられています。
📊 結果の解釈とカルキュレーションのヒント
この段落では、カリフラワーの計算結果を正しく解釈し、どのようにカルキュレーションを実施するかについての詳細な説明があります。計算結果の色分けに基づいて、測定値の正確性や、プリンタの性能を評価する方法が説明されています。また、内側と外側の寸法の平均値を比較することで、線幅の調整が必要な場合を判断する方法も紹介されています。最後に、skew(傾き)に関する注意点や、特定のプリンタモデルに対するカリフラワーの使用法が触れられています。
🎨 カリフラワーの再利用と今後の展望
最後の段落では、カリフラワーの再利用方法と、今後のアップデートの方向性に焦点が当てられています。カリフラワーを茶碗のコタースとして使用するなどのアイデアが提案され、また、skewの補正に関連する新たな機能が期待されていることが述べられています。さらに、Prusa i3 Mark 3とPrusa Miniという特定のプリンタモデルにおいて、カリフラワーの使用法が異なることが説明されており、それぞれのモデルに適した調整方法が提案されています。
Mindmap
Keywords
💡calibration flower
💡cauliflower
💡software calculator
💡updates
💡skew
💡Marlin firmware
💡STL file
💡LibreOffice
💡iteration
💡downloadable files
💡use for coasters
Highlights
The Calibration Flower is a tool for calibrating 3D printers, with new updates to the software and minor changes to the flower itself.
The Calibration Flower has been renamed to Cauliflower due to its resemblance and the wordplay.
The calculator software has been updated with new interpretations of results and implementation guides.
The calculator now includes a feature to calculate steps per millimeter for calibration.
Commands for fixing skew have been added, specifically for ReprapFirmware.
The calculator now offers an alternative skew method for Marlin firmware, addressing previous bugs and reducing errors.
An M852 command has been implemented for configuring the SKU in Marlin firmware via Gcode, simplifying the process.
Minor changes to the STL file include chamfers being changed to rounded fillets to prevent measurement errors.
A LibreOffice version of the calculator has been created for users who prefer open-source software.
The calculator does not currently support iteration for skew correction, but a single run should suffice for most users.
The downloadable files have been streamlined to focus on the Cauliflower and calculator, removing less utilized files.
The scale of the Cauliflower is typically set at 100mm, suitable for most consumer printers.
Conditional formatting in the calculator helps interpret measurement accuracy, with green indicating less than one millimeter of deviation.
The calculator aims to determine the actual nozzle movement and ensure the printed line is in the correct place.
Skew is measured in degrees and does not change with scale, making it a consistent measure across different print sizes.
Printers with built-in calibration methods, like the Prusa i3 Mark 3, may not require additional calibration with the Cauliflower.
The Prusa Mini does not support firmware calibration for skew, making the Cauliflower less effective for this model.
Unused Cauliflowers can be repurposed as coasters, providing a practical use after their calibration function.
Transcripts
hello everyone and welcome back to the
channel today we're taking another look
at the calibration flower as i'm going
to run you through some of the new
updates we've got in the calibration
software as well as minor changes to the
flower and then we'll run through some
tips and tricks on how to use the
calibration software i say software
calculator that i've made and then i'll
show you a cool little use for these
that you can do after you've finished
printing and calibrating with them
so the first thing i just want to recap
if you don't know what this is you
haven't seen it before then you probably
want to check out the video which i'll
link below or somewhere in the cards
that's probably a good idea and you can
learn about the calibration flower as
this is called
which is basically for calibrating your
printer and that video explains all the
problems that we've had with cubes and
things and this is just a bunch of
opportunities for improving things to
make them a little bit better it comes
with a calculator you can buy it on the
website all that kind of stuff but today
what i want to focus on is some of the
upgrades and changes i've done since
that video to make it even better than
it was before
so the first thing and maybe the most
important is that we're going to rename
it to the cauliflower
so obviously like cauliflower bit like
cauliflower
bit like flower calibration flower get
it yeah cool it's now called the
cauliflower now that we've got the
really important thing sorted let's move
on to updates to the calculator so you
can see some of the changes i've made
there which might be useful for you if
you thought that it might not work for
you before now it probably will so the
first thing is we've added a bunch of i
say we i've added a bunch of kind of
interpretation of results what they mean
and how to implement there's a bit of a
extra guide just within the calculator
to help you get the most out of it i'm
also going to run through some extra
stuff at the end of the video just in
case you want some more in-depth things
the next thing i've added is down at the
bottom of the calculator i've added a
zone four steps per millimeter or
rotation distance so before it was just
calculating the error which was what we
find using the cauliflower but now it
actually does that calibration of the
steps per millimeter for you so you've
got those values that you can implement
the next thing i've added in terms of
fixing skew is commands specifically for
reprap firmware so so before i had some
for marlin and some for clipper but now
we've got a little reprap firmware
section as well so you just copy and
paste that line after doing obviously
the measuring the calibration stuff and
then you're good to go for rap firmware
one other thing we've changed in the
calculator is for the marlin
configuration or marlin firmware sku
adjustment kind of stuff
previously it was a single command that
you'd have to make sure is in the
firmware with sku correction obviously
being enabled but there seemed to be a
bug in that calculation somewhere not
exactly sure what was causing it it
wasn't very big it was only minor but it
was preventing some people in some
circumstances being able to correct
their skew sufficiently
so
i've changed it over to an alternative
skew method
and
that should help reduce errors as
there's less calculation actually going
on and it's closer to what the
measurements are that you're actually
getting off of the print
the second thing about marlin firmware
configuration is that it's nice to do
via gcode because recompiling firmware
is obviously a bit of a pain especially
with marlin so what i've done is
implement
into the calculator an m852 command
which you can copy and paste into marlin
send to your printer whatever
and that will configure the sku in that
way the downside is most printers don't
have sku correction enabled in the
firmware so you can't issue this command
because it doesn't understand the
command until you've enabled skew that's
my understanding so while the m852
command is there you may not be able to
use it without adjusting the firmware
anyway in which case you might as well
just implement the skew results directly
into the volume the next change is a
minor thing to the actual stl itself so
on the very outside there are some
chamfers and for some people this was
causing measurement errors depending on
where you measure it so those are just
going to be changed to a rounded phillip
and that should prevent this problem
where we've got a slightly sharp corner
with a chamfer you probably don't need
to do it again if you've already used
this file but for those that are going
to be getting it from now on you'll find
that it has fillets on the corners
instead of chamfers the next change is
not actually specifically to the
calculator itself although it's entirely
to the calculator itself so initially i
made it in microsoft excel just because
it's an application that i've always had
always used got it for business all this
kind of stuff so i was kind of a bit
close-minded there with what other
people are going to be using so now i've
got a libreoffice version which is an
open source
office suite
specifically the spreadsheet style
version so you don't have to worry about
converting it into formats and getting
errors and stuff there's just a open
document format for the calculator one
slight correction that i need to make on
my original video is that i said you
could do iteration specifically with
skew and that doesn't really work with
this
calculator in its current state it's
technically possible knowing the
pre-skew and after skew and you know
you'd be able to work it out but for
this it's just a single step before and
you're after
i have found though that you actually
don't really need to do any iteration a
single run of this calculation should be
enough to get you exactly as far as you
need to go
even if you're quite a long way out to
begin with as long as your measurements
are reasonably accurate you should be
fine one maybe negative thing is in
terms of the downloadable kind of set of
files that i have online i'm going to be
changing it to just have the calibration
the cauliflower and the files which i'm
charging for now you'd just be getting
this and the calculator before i had my
bridging and overhang tests i've not
really published any documentation on
how to use them i think very few people
were actually using them and not really
using them very effectively so i'll move
those out of this file set and we'll
just focus on this being the califlower
i think the value is still there and
from everyone that i've talked to that's
used this i think they would probably
agree so
again maybe you can perceive it as a
slightly negative thing but at the end
of the day they weren't really being
used very optimally anyway so that's
kind of it for the updates and stuff it
does continuously improve this has not
just been a single
bosch update it's been kind of updating
every few weeks or so pretty much since
it was created
just kind of as i get feedback from
users and their specific use cases
and so this is where we're at now i
thought it'd be good timing to do an
update on all the things that we've
improved
now onto some tips and tricks and how to
read the results so what i want to do is
run through
how
you could use this calculator to do what
you need to do
and how i've seen some people maybe
misinterpret things or
just read it slightly differently to
what i intended so
these are probably mistakes based on my
like written or format or whatever so
i'm just going to kind of run through
now so firstly the scale you don't need
to change the scale but if you have a
particularly large printer and you
really want to do it at a larger scale
you can it is technically better to do
it at a larger scale but the 100
millimeter size fits pretty much every
consumer printer and is pretty much good
enough as far as i can see so i wouldn't
worry about changing that don't panic
that you can't go bigger or smaller or
larger or whatever
generally stick with 100 unless you
really feel that you want something
different
in terms of the conditional formatting
that i've input you can see these are
all green which means less than one
millimeter of deviation in measurement
this doesn't mean that your printer is
really well calibrated and you're good
to go what it means is
when you took the measurement with the
caliper that my calculator thinks you
probably measured the right thing
for example if the calculator was asking
you to do an internal measurement and
you did an external one it would show up
in a different color and go i think
you've probably measured the wrong thing
so it's an interpretation of the
measuring that you've been doing not of
the quality of the print
in terms of error you should be able to
get within 0.1 or 0.15 millimeters but
this is dependent on your printer this
is kind of the point of doing
calibration right
if you can calibrate to a really precise
and accurate final result then you've
got a pretty good printer if despite
your best efforts it's still not very
accurate that indicates that there's
something wrong with the printer so for
example if you're doing measurements
you've done your before you've done your
after and the best you can get is still
within like one percent so you're like
plus or minus a millimeter
it indicates that maybe your walls are
like extra thick so
what this calculator is really doing
is not just doing the very outside and
very inside it's kind of trying to work
out where the actual nozzle moved where
the middle of one of those lines is
and that's important because it means if
your line is extra wide or extra narrow
the middle is still in the same place
one way that the calculator can indicate
that to you is what we've called or what
i've called the inner and outer
dimensions or results so the inner and
outer are a representation of the
average of your inner results and
average of the outer results so as long
internal dimensions and external
dimensions
if your on average internal dimensions
are too large and your external
dimensions are too small it means your
line width is probably a little bit too
narrow
likewise on the opposite if your inner
dimensions are smaller and your external
dimensions are a little bit larger it
probably means that your line width is a
little bit too wide
now
this is not it's a little bit imprecise
and not totally reliable but it can be a
kind of handy indicator especially at
the end you should find that they are
approximately the same the inner and
outer error should be the same because
that's kind of what the calculator is
trying to do it can't make your printer
better than it is but it can make it the
best it can be with what it's provided
so instead of your results being all too
large or all too small it just makes
sure that that line is in the right
place or in as close as possible to the
place it's trying to put it
so hopefully that makes sense it's a bit
of an interpretation skill to make sure
you're understanding the outcome of the
results
the other thing i want to mention is
skew so skew is measured in degrees it's
an angle
so
one thing that maybe gets missed with
angles is they don't change with scale
so
for example what's a good example
i don't know i don't have one near me
but if you have an angle like this
on a triangle for example and you make
that triangle 10 times the size
the angle or skew error is not 10 times
larger that's one of the like special
properties of angles versus linear
dimensions
the skew will be the same regardless of
the size of the print
the thing that can change is if you have
a printer that's skewed sort of so if
you can imagine like a square like this
being like perpendicular perfect angles
if it's skewed like this it kind of
becomes a parallelogram if you're
printing in that shape that also gets
skewed in the same way if you then
rotate that shape and printed it in a
different way it would be skewed in a
slightly different way so if you have
two shapes that should be perfectly
square printed slightly differently in
terms of orientation on the bed they
will represent slightly different skew
in slightly different weird ways for
people using prusa slicer and cura two
very common slices actually
it's a slight downside of those slices
that they don't have a percentage
adjustment for size
so with different materials you get
different amounts of thermal expansion
so it's very used to have it's very
useful
to have a percentage adjustment because
the amount of shrinkage is related to
the size hopefully we get those soon but
at the moment they don't have that
compensation method available so you'll
need to use steps per minute steps per
millimeter in the firmware to get as
close as possible and then you might
have to do kind of adjust the size of
the part in the slicer kind of annoying
but unfortunately that's the work around
for project slicer or cura which don't
have percentage compensation one thing i
didn't mention in the previous video as
well is that some printers don't really
need this calibration it's not because
they're perfect is because they have an
inbuilt calibration method
there's not many but one is the prusa i3
mark 3 s plus whatever
this printers that look like this
so
while they have that built-in
calibration it can be useful to have a
print just to kind of validate that it's
done the right thing so you can still
get it print it and measure it and then
you'll get a result for the skew to
check that it is as accurate as you want
it to be but generally
for the prussian mark iii
don't get it in the intention of using
this to calibrate use the in-built
system
the other printer that it doesn't work
particularly well on is the pressure
mini
strangely because there is no firmware
calibration methods for doing skew
adjustment on that printer the only way
to adjust sku on the prusa mini is to
like physically assemble it slightly
differently
which is not great i'd much rather
there's a basic skew feature especially
as it's a printer that's like supposedly
for like mass manufacture
not quite mass manufactured but you know
what i mean i like a print farm printer
but if you can't calibrate it to be the
right size and skew
all the parts are going to be a little
bit
wonky so not ideal but there you go
so of course once you've printed one of
these maybe you printed one for a few of
your different printers you're going to
have a few cauliflowers sitting around
what do you do with them obviously you
could throw them out or whatever but a
lot of people are using them as coasters
for like mugs of
tea coffee whatever and that's a really
great use i think they seem to be about
the right size they're nice and flat
very easy to use
lovely tea coasters so there we go
that's it for me today just a few
updates on the cauliflower
you can get it in the link in the
description thank you very much for
watching and i'll see you in the next
one
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