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Tuesday, August 26, 2025

Z Axis Changes for V0.04 and V0.05

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Assembling the μRepRap V0.04 revealed a minor issue in that the X Stage Flexure now only moves 4mm before colliding with the Z tower. As mov...

Getting Back To V0.04 Bug Fixing...

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I've been nailing inconsistencies in the behaviour of several Axis Drivers and noticed that the 50mm long screws I use to hold things to...
Monday, August 25, 2025

Preliminary Testing - And Full 1 Dimension Constraint!

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OK, so I broke the first pantograph flexure. Fortunately I printed another one overnight. Slight change to the model - I got the centre lugs...
Sunday, August 24, 2025

Parallel Pantograph Flexure Take Two

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Had a few thoughts while away (the second half of my travels have been postponed), so here's the next iteration of the parallelogram/pan...
1 comment:
Thursday, August 21, 2025

First Parallelogram Axis Driver Test Print

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It looks a lot worse than it is, folks. Not that there aren't changes to be made. It seems to move as planned at first glance, but was a...
Wednesday, August 20, 2025

Constrained Parallelogram Flexure Design

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I've put platforms for drive screws, anchors, drive flexures etc. on a trio of parallelogram flexures. In theory the flat bits remain pa...
Tuesday, August 19, 2025

Beginnings Of Linear Axis Driver Flexures

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Here are a couple of printed parallelogram flexures, overall length 140mm. These have a 2.5:1 reduction ratio, and I can get between +/- 5mm...
Monday, August 18, 2025

I've Hit The Axis Driver Motion Limit

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I tried to get a bit more range of motion out of the Axis Driver so I could quantify the rotation of the XY Table. In the V0.03 Axis Driver ...
Saturday, August 16, 2025

X And Y Driving Flexure Upgrade - Now Linear

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By using a complementary flexure linkage on the X axis I now have linear linkages to the Stage. This is not a cure-all (see later), but it...

Changes To Driving Y Axis

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While I'm fiddling with the XY Flexure Table I decided to eliminate an issue with the way the Y axis is driven. Because of the way I ori...
Wednesday, August 13, 2025

MAUS C V0.04 STLs Uploaded - And News About An Elephant

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The STL files for the XY Table V0.04 fixes are now up: https://www.printables.com/model/1286343-reprapmicron-v004-micron-accurate-3d-printer...
1 comment:
Tuesday, August 12, 2025

V0.04 Flexure Table Source And Assembly Docs On Github

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I've uploaded the V0.04 XY Flexure Table source to Github. As you can see in the image below I've made the Table Frame attachment po...
Monday, August 11, 2025

New Article On hackster.io

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Cameron Coward has just published a nice article on μRepRap:     https://www-hackster-io.cdn.ampproject.org/c/s/www.hackster.io/news/can-rep...

XY Table V0.04 Flexure - First Hardware Attempt

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I had to shift the V0.04 supports for the Table Flexure outside of the flexures because of collisions. So the points where the frame and tab...
Sunday, August 10, 2025

MAUS C V0.04 XY Table Redesign Preview

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Right, wasn't as bad as I'd feared - and my rebuilt laptop seems to be holding up. Now both pairs of the XY Table Flexure Assembly c...
Saturday, August 09, 2025

MAUS C V0.04 - Fixing The Table Flexures Part 1

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I've been unwinding my maths, and I've redone the outer flexure of the XY Table. Note how all the flexures are now the same length: ...
Thursday, August 07, 2025

ESP32 GRBL Controller?

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Thinking of being dragged into the '20s. You might have noticed that I've been using Arduino/RAMPS to control the GRBL CNC side of t...
Tuesday, August 05, 2025

All3DP Article on RepRapMicron

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Guess what popped up in my news feed today? https://all3dp.com/4/reprap-pioneer-returns-with-a-diy-3d-printer-that-hits-micro-level-precisio...

Slight Flaw in Maus C XY Table Flexures

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To quote von Braun "Research is what I'm doing when I don't know what I'm doing." Which is why the XY Table flexure ar...
Monday, August 04, 2025

Symmetrical Pantograph - Don't Cross The Beams

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The problem with the previous reducing pantograph design was that it is damned hard to print as some of the beams cross over each other. It ...