Sandwich Structure Grinder (Composite Builder Tool)
thingiverse
This is a fixture for a Dremel/multitool extension that I designed. I use it to grind the edges of sandwich structures like HereX down to 0mm. It has two multitool slots: 1) A ~10mm chamfer for 1mm material, which I use for the trailing edge. 2) A 3-4mm chamfer for 1mm material, which I use for all other edges. This fixture works with a 20mm diameter multitool extension and a grinder that is 13mm in diameter. It was made to work with a 17.5mm wooden board, and fine adjustments can be made by using underlay tape. 100% infill is required because of the vibration while grinding. I designed this fixture for sandwich structures like balsa, HereX, and Rohacell. Disclaimer: This tool is for use at your own risk. Please wear proper protective clothing when using it. I am not responsible in case of injury, physical damage, or improper use of these files/planes and how they are used. For more composite RC plane stuff and fast planes, visit my website: cfd.koelleteam.de
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