Aperture Portal Cube Fabric Pattern Weights
thingiverse
Fillable fabric weights in the form of an Aperture storage cube from the Portal games. I got the original design for the cube here, hollowed it out, split it, and added a cap at the top to make them suitable for 3d printing and holding ballast. Original design: https://grabcad.com/library/aperture-portal-cube-1 For the ballast, I used lead scuba weight, but you can use BBs, lead shot, sand, whatever. Here's what I used: https://www.amazon.com/gp/product/B000XEJW8E/
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