Mangonel Catapult
grabcad
This is a Mangonel /Catapult. A desktop plinker or garden siege engine.Design features easy windage and elevation via a gear for windage, a cam lock for elevation and a press button trigger. Pinion spigot hole is off centre so teeth can be meshed properly. Parts are layed out for 3D printing.Surprisingly accurate when using 10mm or 15mm ammunition with respective launch spoon.Drill and tap for M3 countersunk screws. Superglue and activator works well on PLA for bits that need gluing. Base has recessed holes for sticking on some rubber feet.
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