Small Magnetic Minecraft themed blocks

UPDATE - I made the Grass bricks be a bit bumpier on the top. I saw an ad for some Minecraft blocks you can buy on Amazon or AliExpress, and thought I could do better. MINECRAFT MAGNETIC BUILDING BLOCKS NOTE: These are small blocks that were designed to be printed with a 0.2mm nozzle. I cannot guarantee what kind of results you'll get if you try to print this with a 0.4mm nozzle. There are two print profiles - one with the bricks, the other with the magnet core holder. This is a set of 8 different Minecraft themed magnetic building blocks: Grass Stone Water TNT Wood Ore Planks Cobblestone Each ~16mm block contains six 6x3mm magnets, one for each face of the cube. You'll obviously need to order a large set of magnets if you wish to make these for yourself. 50 blocks means 50 x 6 = 300 magnets. These cores are printed separately (can be printed with a 0.4mm nozzle). Note, make sure you use the same type of plastic for the core and for the shell. i.e. if you use PLA, use it for both. If y