Screwdriver Swap - Triangular Handle

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Project by RichCMD posted 06-03-2016 01:22 AM 1372 views 2 times favorited 6 comments Add to Favorites Watch

This is the combo driver I made for the screwdriver swap. I experimented with a triangular handle as I hoped it would provide a better grip. The handle was turned from a triangular blank. I first made a rectangular segmented blank of walnut and maple., and then cut it . I then cut this into a triangular block. I sanded the sides smooth using one of the cut of sections to maintain the correct angle of the sides. From the end, the blank is an equilateral triangle with 60 degree angles and equal sides. I then turned this on the lathe to round off the corners.

I had to review some trigonometry that I had not used for years to determine how long the sides of the triangle needed to be. I decided the diameter the handle needed to be at the top of the ratchet mechanism. I then calculated the length of the side by multiplying that by .866 (sine of 60 degrees).

-- Ride the bevel!

6 comments so far

View ToddJB's profile


8223 posts in 2278 days

#1 posted 06-03-2016 01:58 AM

Super nice! I imagine that is super comfy to hold.

-- I came - I sawed - I over-built

View sepeck's profile


355 posts in 2289 days

#2 posted 06-03-2016 03:12 AM

This is COOL! Now I want to figure out something to make just to try turning a triangle. Maybe file handles? Not sure. I will put it on the long list of ‘roundtuit’ projects

-- -Steven Peck,

View jeffswildwood's profile


3509 posts in 2125 days

#3 posted 06-03-2016 12:03 PM

I experimented with triangle handles early on in the swap. I just couldn’t pull it off. You got it just right though. Excellent job!

-- We all make mistakes, the trick is to fix it in a way that says "I meant to do that".

View keithk1's profile


25 posts in 2112 days

#4 posted 06-04-2016 01:43 AM

Nice job. I wanted to try a triangular handle thanks for the inspiration and Geometry tip. Excellent work

-- Indecision may or may not be my problem -Keith

View waho6o9's profile (online now)


8431 posts in 2725 days

#5 posted 06-04-2016 06:15 PM

Great job on the multi use screwdriver!

View clieb91's profile


3521 posts in 4083 days

#6 posted 06-05-2016 10:04 AM

Very cool handle.


-- Chris L. "Don't Dream it, Be it."- (Purveyors of Portable Fun and Fidgets)

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