Knurled Blockmit Stackbox

A knurled, screwable Stackbox for a Blockmit style seed phrase backup for M8 stainless steel washers with 24 mm outer diameter). The box can hold up to 25 washers.Print with 0.15 mm layer height or lower, and at least 4 perimeters for a sturdy container. You can buy a readily printed Stackbox in the color of your choice here