This is a fischertechnik enclosure for 12V air compressors as available from ebay or pollin. As opposed to the similar looking ft compressor, this model conforms to the ft 15mm standard with a length of 60mm, and offers different connector choices.
The bottom part comes in two versions. The one with peg is difficult to print, as it is easy to damage the area around the peg while removing the supports, that's why I included a version without peg.
In addition to the printed parts you'll need
- two 59mm pieces of 4x4mm square brass rod
- 2,4mm high quality metal drill
- drill rig
- soldering iron
- super glue
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I printed all parts with the open side up.
Only the bottom part with peg needs supports. Be very careful when removing this support, the bottom is very thin.
If your compressor came with a mounting plate attached between the motor and the compressor part, remove this first by unscrewing the three screws close to the compressor outlet.
After cutting the two 59mm pieces of 4x4mm brass rod, insert them into the printed parts. Mark all places you'll need to drill with a felt pen. Remove rods and use a drill rig and a 2,4mm metal drill to drill 12 connector holes in total. The rest should be self explanatory with the help of the images. If not, please ask in the comments.
If you seal your enclosure with super glue and find that the compressor does not get enough air, use a needle to pry a small hole between the two enclosure parts on the side with the two contact rods.