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Greg3D
Modest maker and 3D Printing Enthusiast at home. If you own a Creality printer, I designed the little thing that hold your heat bed cable.
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Greg3D 8h
Wooooo, that so impressive ! Great job !
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Greg3D Apr 24
How to fix it? Here is an idea. From the measurement you can derive a correction curve. By switching extruder to 256μsteps and modifying firmware to selectively add or remove steps per that curve, you can somewhat compensate extruder drift. Proof of concept in attached photo.
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Greg3D Apr 23
Have you already seen latest creation, "Captain's Lantern"? No? So head to () to get it ! Printed in Alpha Brass and Crystal Clear Iceland Blue.
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Greg3D Apr 23
Changes in the stepper interrupt routine in attached capture, table used is also attached. The table says 0/1/2 steps, it's based on a reverse transform of the curve with grey dots (compensate extruder drift). I played a lot with MSLUT. Main issue yu can prog only 1/4 of the sine
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Greg3D Apr 23
Maybe that was 😉
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Greg3D Apr 23
To validate the analysis, I switched extruder to 256 µsteps (vs 32) and modified the firmware stepper interrupt routine to selectively add or remove steps according to a correction/compensation curve. You see signicantly reduced moiré. Not a solution but an improvement idea.
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Greg3D Apr 23
There are 2 sets of measurement (blue dots, red dots) to see how consistant this is from one set of 4 steps to the other. Yes, this filmed with the extruder moving slowly step by step
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Greg3D Apr 23
Do you wonder where the moiré you see on the MK3(S) (and other printers too) every 2 full steps is coming from? A mirror on the extruder motor, a laser pointer and a measuring tape 4m away allow to precisely measure the movement of your extruder motor to learn more...
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Greg3D Apr 21
Replying to @ferjerez3d @openscad
That looks familiar 😁👍
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Big Nick Dimelow Apr 18
Woven Egg by bugman_140
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Bondtech Apr 18
Coming soon....
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Greg3D Apr 15
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Greg3D Apr 15
Found some information on BL Touch on the Retro Rewriting the beginning of the file like in the picture should do it
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Greg3D Apr 15
In the way it is written in the pins file, you can only use a BL Touch with sensorless homing. I don't know if this is an actual limitation of the board SERVO0_PIN needs to be defined but on which connector do you plug the BLTouch on the Retro?
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Greg3D Apr 15
On the Einsy Retro, SERVO0_PIN will be defined only if sensorless homing is active because servo0 pin (10) is also Z_MIN_PIN (see attached pic)
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Greg3D Apr 15
Servo pin definitions are normally in your pins_BOARDNAME.h, here is what I have in the one for my FYSETC F6 Which board are you using?
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Cults. Apr 12
👾 Discover the animated pixel lamp, an amazing DIY project created by . 💜 3D model: 📺 Full video of the project (it's in French, but you can activate the subtitles):
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Greg3D Apr 12
Oh, love that reply, let the fun begin 😁
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Greg3D Apr 12
"DIRECTIVE (EU) 2015/2436 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 16 December 2015 to approximate the laws of the Member States relating to trade marks" EU strikes you again mate 🙄 Damned 😂🤣😂 !
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Greg3D Apr 11
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