Leg and Arm pins for 4X LEGO minifigs

by techknight, published

Leg and Arm pins for 4X LEGO minifigs by techknight Mar 11, 2011

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I double-sized Stefan's already-2X LEGO minifigs to make 4X total size minifigs. But in doing so, I eliminated the use of 3mm filament as pins for the arms and legs... So I made some new ones in Google SketchUp.


Use a screwdriver to widen the hip holes and leg holes a bit, then fit em together.

For the arms I used a blade to shave the pins down enough to fit snugly in the torso and arm holes.

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Since I'm using a MK7 with 1.75mm filament I didn't have any 3mm available for pins. So I just printed your .50 smaller. Worked like a charm!

I was very successful in printing a 4X body by double sizing stefan's body file. When I doubled the head (HEAD.STL) and printed it, I had a problem. The neck prints well, but when it increases in diameter to make the head the plastic printing the new wider layer misses the previous layer and drops down on the platform. Any suggestions?

Hmm.. I usually had one or two drooping strands of plastic that had to be removed after printing, but otherwise no issues. Which RepG and Skeinforge versions are you using? I believe that all of the heads I've printed have been sliced/printed with RepG 23 and the "standard" (ie not 31/35/40) Skeinforge.

I'm using RepG 25. I added the exterior support and the results were a lot better. I plan on printing your leg and arm pins tomorrow.

Cool - if the arm pins aren't sturdy, make sure you try GCode -
gt; Choose GCode generator -
gt; Skeinforge (standard). The default infill setting on Skeinforge 35 is a bit light.