Aztec Relief Planter - Concrete Mold System

**Update 2019-06-02:** Read the summary on my Make before you start making this. https://www.thingiverse.com/make:664458

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I remixed my Aztec Relief Box and make this Concrete Mold System.

The final Concrete Planter will be 150x150x130mm and like the linked Aztec Relief Box. The walls will be ~10mm (minimum). Upscaling should be no problem, but downscaling probably is. Scale at your own risk and check the thickness of the walls first (if downscale). There are some thin points in the