Kerfmaker Ultimate for Table Saw (Tenonmaker)

thingiverse

This is a kerf maker. A tool that is usually used with a table saw to simplify the process of cutting kerfs into wood. Especially helpful, if you want to repeatedly cut kerfs of the same size. There are a quit a few kerf-makers available here on Thingiverse. Most of them have a similar design and while one maker refers to "the real McCoy" as being the source of inspiration, I found a commercially available one as KM-1 or KM-2 from Bridge City. Though these designs are sleek and cleverly constructed, I saw - admittedly a pretty tiny - room for improvement: After the first cut you have to turn the kerfmaker bei 180°, then do the second and subsequent cuts → I chose a design that utilizes a big/long handle which makes it very easy to grab and turn the kerfmaker. __What you need__ • all five parts printed • 1 x M6 threaded bar, 57 mm length • 1 x M6 threaded bar, 33 mm length • 2 x M6 nut • 1 x M6 self-locking hex nut If you want to make bigger kerfs print the "EXTRA WIDE" base and sliding block. You'll then have a maximum kerf width of about 63mm. __How to assemble__ • Put a hex nut into the hole on the flipside of the sliding block. Glue it, if it's to loose. • Glue a hex nut into one hole of the small knob and a self-locking hex nut into the other one. NB1: The holes have different depths to accommodate the different heights of a normal nut and a self-locking nut (which is, usually, higher). NB2: The self-locking nuts have a job, namely to lock on the threaded bar. While we do want friction, it might be necessary to get the threaded bar more free-moving by removing some plastic from the inside of the self-locking nut. You will have to experiment. • Glue the 57 mm threaded bar into the blade distance piece. • Lay the base on a table and put the small knob into the base. I recommend to let the normal nut face the blade distance piece. Less of the threaded bar to screw thru the self-locking nut. • Stick the blade distance piece's threaded bar through the hole and start screwing it into the small knob. Go on till you come to the end. Then stop. • Glue the 33 mm threaded bar into the big knob (handle). Take care that the threaded bar is sticking out 19mm. • Join the sliding block with the base using the big knob (handle). Done! You can see my [Kerfmaker How to use video](https://youtu.be/8dR02wMzK98) on YouTube. **Disclaimer** If you print this model and use it, you do this on your own risk. I cannot be held responsible if someone or something gets damaged or injured by using this model.