Tailors Chalk Gridfinity holder/grinder

It is gridfinity. Based on my Fusion parametric gridfinity model so it comes with nice magnet holes, corner bases have them covered with 0,2mm to prevent edge lifting, 0,5mm clearance so it sits nice.

7 slots for chalk, just wide enough for standard tailors chalk (I use Prym ones). For the sharpener, insert 2 sections of 18mm snap off blade from utility knife. Usually, there is 7 sections per blade and you'll need 56 pieces. 3 piece per one blade means, you'll need 19 blades. 

Buy the cheapest ones but be aware ONLY USE THE SAME BRAND AND MODEL. They differ slightly in size maker from maker, making them not align perfectly.

Just insert them into the slots, push them in using something straight,  spread the glue on top of them. 

PRINTING:

Just use your favourite gridfinity settings. Mine are PLA; 0,6mm nozzle; 15% lightning infill; 0,3mm layer height.