weed/herb grinder

thingiverse

Here is a rewritten version of the text: A functional weed/herb grinder is designed to break down plant material with ease. The grinder consists of four distinct parts: an upper grinder, a lower grinder, a middle part, and a kief box. Two interchangeable middle parts are included: one features a 3D-printed filter with a grid distance of 0.5mm for precise particle separation, while the other is filterless, allowing users to insert a store-bought metal kief filter if desired. Each part has threaded connections that enable them to be screwed together securely. The grinder's holes are precisely drilled to accommodate a diameter of 4mm. The overall dimensions of the grinder measure approximately 5x5x6 cm.