conduit track supports
thingiverse
Human uses these supports to hold two pieces of conduit in parallel, useful as a track for balls in collision demonstrations. Four or five of these snap onto 1/2" EMT conduit (actual diameter 0.7") to make a track for 5" bowling balls or bocce balls with no fasteners needed. Print Settings: Printer Brand: MakerBot Printer: MakerBot Replicator 2 Rafts: Doesn't Matter Supports: No Infill: 10% Notes: Two or three shells is perfectly fine.
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