Concrete 28mm dumbell axis
thingiverse
Make your own dumbell disc with concrete. # Materials needed: - Mould of, at least, 35mm deep. I used a 26cm and 40 cm diameter flowerpot saucer. - Cement - Sand - Gravel - Water - Mixing recipent - Mixing tool # Preparation 1. Glue part A and B of the axis. 2. Fix the 3d printed axis with hot glue on the saucer center. 3. Prepare the concrete. Mix ratios (in volume): 1 Cement : 2 Sand : 2 Gravel : 1.5 Water 4. Fill the mould with concrete to reach the upper surface of the axis. 5. Wait 24h and keep moist the concrete surface. 6. Remove from the mould 7. Optional: apply a layer of epoxy resin to obtain a better finish.
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