Owl on Lego
by danielkschneider, published
Another version sits on a 4x3 Duplo.
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BTW, if you have some programming know how, adjusting Lego/Duplo parameters in the openscad library is not very difficult and you rather could generate new bricks if you want a perfect fit. Unfortunately, even changing one little slicing parameter can change fit...
The bricks used here are made with one line of code.
dobloÂ Â (0,Â Â 0,Â Â 0,Â Â 4,Â Â 3,Â Â Â 2,Â false, false )
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I printed the Lego version twice:
* 0.25mm layers
* 15% fill
* 15 mm/s first layer (and nozzle real close), 80 for the fills and 35 for the perimeters.
* PLA at 210 degs C.
Then I made a variant: horizontal and vertical half-layers for perimeters. The result was worse (owl to the right in the picture with both). Probably slicer settings need to be changed more radically to get this right. Maybe less speed, maybe a higher extrusion rate, skip horizontal half layers, ....
Sorry for my usual bad picture quality. Yes - when I have time - I will some day buy a camera.
The Lego/duplo bricks were created with OpenScad using Doblo factory (see thingiverse.com/thing:2106). The Lego version has tight fit (at least with my printer/my settings) and the Duplo version more loose fit.
The Owl on Lego is meant to decorate this: thingiverse.com/thing:33001
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