Foamboard Hole Reinforcements
thingiverse
Need a foamboard model to reinforce or fix a hole on? Maybe you want to run a pivot through the foamboard without wearing it down and need a grommet to distribute the load evenly. Here's what I came up with! Designed these for a canard pivot, but others may find them useful too - steering pivot, wing attachment points, screw points, thread them, drill them, do whatever you want! Four hole sizes for single or double layer foamboard: 1.5, 2, 3, and 4mm holes in 5mm and 10mm lengths. Press-fit collar pairs can be positioned either inside or outside the collar. Secure with glue for a strong hold.
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