Since time began, sharpening cutting tools has always been a bane; especially for woodworke.This jig achieves accurate results.The current work follows the procedure published at:Bench grinder tool resthttps:www.youtube.com/watch?v=tp55y0WC-HkALL Solidworks files in the native format.This upload includes Solidworks Design table for DIN912 screws, from M2 to M12.Also enjoy:Ha Zimmer - Chevalie De Sangreal (Live in Prague) (with better audio)https:www.youtube.com/watch?v=aAi5FHSkUAQ