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Sunday, April 19, 2026

PIKA RepRapMicron Motor Mount Nut Slots Moved

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The lower nut slot on the PIKA Motor Mounts was a bit tricky to access, so I moved them around the side where you can get at them more easil...

RepRapMicron Nut Tool

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Having watched Jon struggle with inserting M3 nuts into the slots on a PIKA I have decided to take pity on the poor users and create a Nut T...
Saturday, April 18, 2026

PIKA V0.02 Assembly Instructions Online

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I have uploaded the assembly instructions for the PIKA XY Table. Your feedback is appreciated. https://github.com/VikOlliver/RepRapMicron/wi...
Tuesday, April 14, 2026

Triangular Leveling on PIKA V0.02

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The levelling arrangement on PIKA has changed significantly. The Stage has two height adjustment screws on the left: one at the top (+y) an...
Sunday, April 12, 2026

Well, PIKA V0.02 fits together at least

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I've got the bits together. All the little tweaks make this a much nicer build. Haven't connected up the CNC controller but don'...
Wednesday, April 08, 2026

PIKA V0.02 Improvements

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I've decided to bite the bullet and update PIKA now. Main differences are a tripod-style Stage levelling mount, and an integral microsco...
Friday, April 03, 2026

Bed Levelling Continues. Potential new Stage

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Been away for a bit. Back on bed levelling. I've updated the bed leveller a bit (it doesn't just crash if the probe is already touch...
Wednesday, March 25, 2026

Tried another probe - it works

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I switched back to a hypodermic needle probe. They're more rigid and have sharper edges than an ogival tip, giving better penetration of...

Sudden problems finding height, new levelling code

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Something happened today, and I don't know if it's humidity, contamination, subtle probe damage, or what. But probing the aluminium ...
Monday, March 23, 2026

Successful backlash test on new Flexure Coupling for X Axis

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Fitting the new Flexure Coupling design (with a tapered motor shaft hole) to the X Axis Driver was extremely easy and needed no tools. It di...
Sunday, March 22, 2026

Tweak to the Flexure Coupling

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After seeing Jon struggle to fit the Flexure Coupling to his RepRapMicron  stepper motor, I've reached the conclusion that relying on pr...
Friday, March 20, 2026

*Blog Moderator

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The main moderator of this blog has had to retire for personal reasons. I'd like to take the opportunity to publicly thank them for all ...
1 comment:
Thursday, March 19, 2026

RepRapMicron PIKA Refined XY Backlash Tests

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The python script to create X & Y axis verniers for detecting backlash is up on github at https://github.com/VikOlliver/RepRapMicron/blo...
Wednesday, March 18, 2026

PIKA Preliminary Backlash Test, X Axis

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I drew a series of vertical lines spaced at 100μm plus an increasing/decreasing delta, hoping to create a kind of vernier scale. The upper l...

PIKA Test Grid after fixing X Axis Driver

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Found the loose screw on the X Axis Driver. Re-doing the grid produced something quite a bit nicer. Still not perfect, but it's shaping ...
Tuesday, March 17, 2026

PIKA Test Grid

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I fired up the PIKA and ran a test grid. Been having a few camera issues after the laptop upgrade, but that's sorted now. More generally...
Saturday, March 14, 2026

Photo Dump Of PIKA V0.01 assembly

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Just to help Jon Oxer out during https://www.youtube.com/watch?v=r19WoewJ_Ys . These are the photos of the V0.01 PIKA Base assembly and Axis...
Thursday, March 12, 2026

Original "Hello World" pixel code running on PIKA

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No code changes, just ran it. The old 30μm/pixel version, 1.2mm long . So, backwards compatible.  Used a hypodermic needle probe, so not the...
Wednesday, March 11, 2026

Levelling PIKA RepRapMicron's Bed To 4 microns

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The RepRapMicron probe needs to be within the print bed surface to within a micron or so. Levelling a bed on an ordinary 3D printer manually...
Tuesday, March 10, 2026

PIKA V0.01, More Rigid And Simpler

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The initial hack for PIKA had a few shortcomings. Notably if you moved it you'd lose calibration, and it was extremely difficult to put...