Open Source Eurorack cases
Local case builder and cellF designer Nathan has posted up all the files for his eurorack case designs. Feel free to choose one, send it to a lasercutter service or, better, take the file to your local hackerspace and get a new case with $5 worth of wood.
See the thread on Muffs for info on where to get these made and any other tips
42HP 3U Skiff 70mm - http://www.thingiverse.com/thing:1205874
42HP 4U 123mm - http://www.thingiverse.com/thing:1205901
84HP 3U 93mm - http://www.thingiverse.com/thing:1205913
84HP 3U 123mm - http://www.thingiverse.com/thing:1205983
84HP 3U 63mm - http://www.thingiverse.com/thing:1206004
84HP 3U 10mm Acrylic - http://www.thingiverse.com/thing:1206029
84HP 4U 123mm - http://www.thingiverse.com/thing:1206047
84HP 4U 133mm 10mm Acrylic - http://www.thingiverse.com/thing:1206051
84HP 6U 80mm Skiff and Lid - http://www.thingiverse.com/thing:1206069
84HP 6U 93mm - http://www.thingiverse.com/thing:1206075
84HP 6U 123mm - http://www.thingiverse.com/thing:1206087
84HP 6U Skiff 63mm - http://www.thingiverse.com/thing:1206102
84HP 6U Studio - http://www.thingiverse.com/thing:1206118
84HP 7U 93mm - http://www.thingiverse.com/thing:1206125
84HP 7U 123mm 10mm Acrylic - http://www.thingiverse.com/thing:1206141
84HP 7U 123mm with Lid - http://www.thingiverse.com/thing:1206275
84HP 9U 123mm - http://www.thingiverse.com/thing:1206304
84HP 9U Studio - http://www.thingiverse.com/thing:1206307
84HP 11U 123mm - http://www.thingiverse.com/thing:1206311
104HP 3U Skiff 63mm - http://www.thingiverse.com/thing:1206319
104HP 8U 83mm - http://www.thingiverse.com/thing:1206325
104HP 12U Studio Case - http://www.thingiverse.com/thing:1206334
42HP Vectrex Synth Case - http://www.thingiverse.com/thing:1206348
84HP 7U Studio 10mm Acrylic - http://www.thingiverse.com/thing:1207296
84HP 21U Studio Tower - http://www.thingiverse.com/thing:1207319
104HP 13U Skiff 83mm - http://www.thingiverse.com/thing:1207335
168HP 6U Skiff 83mm - http://www.thingiverse.com/thing:1207342
See the thread on Muffs for info on where to get these made and any other tips
42HP 3U Skiff 70mm - http://www.thingiverse.com/thing:1205874
42HP 4U 123mm - http://www.thingiverse.com/thing:1205901
84HP 3U 93mm - http://www.thingiverse.com/thing:1205913
84HP 3U 123mm - http://www.thingiverse.com/thing:1205983
84HP 3U 63mm - http://www.thingiverse.com/thing:1206004
84HP 3U 10mm Acrylic - http://www.thingiverse.com/thing:1206029
84HP 4U 123mm - http://www.thingiverse.com/thing:1206047
84HP 4U 133mm 10mm Acrylic - http://www.thingiverse.com/thing:1206051
84HP 6U 80mm Skiff and Lid - http://www.thingiverse.com/thing:1206069
84HP 6U 93mm - http://www.thingiverse.com/thing:1206075
84HP 6U 123mm - http://www.thingiverse.com/thing:1206087
84HP 6U Skiff 63mm - http://www.thingiverse.com/thing:1206102
84HP 6U Studio - http://www.thingiverse.com/thing:1206118
84HP 7U 93mm - http://www.thingiverse.com/thing:1206125
84HP 7U 123mm 10mm Acrylic - http://www.thingiverse.com/thing:1206141
84HP 7U 123mm with Lid - http://www.thingiverse.com/thing:1206275
84HP 9U 123mm - http://www.thingiverse.com/thing:1206304
84HP 9U Studio - http://www.thingiverse.com/thing:1206307
84HP 11U 123mm - http://www.thingiverse.com/thing:1206311
104HP 3U Skiff 63mm - http://www.thingiverse.com/thing:1206319
104HP 8U 83mm - http://www.thingiverse.com/thing:1206325
104HP 12U Studio Case - http://www.thingiverse.com/thing:1206334
42HP Vectrex Synth Case - http://www.thingiverse.com/thing:1206348
84HP 7U Studio 10mm Acrylic - http://www.thingiverse.com/thing:1207296
84HP 21U Studio Tower - http://www.thingiverse.com/thing:1207319
104HP 13U Skiff 83mm - http://www.thingiverse.com/thing:1207335
168HP 6U Skiff 83mm - http://www.thingiverse.com/thing:1207342