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Rotary Tool Cutoff Saw Hinge for Dremel Model 225

by stylesuxx Sep 15, 2015
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Will this fit the new Dremel 225-01 Flex shaft? The photos does not show the attached tool very well


I do not know. But if you print it, let me know.

I have an older model flexible shaft for my Dremel tool. Will that work with this jig?

I honestly do not know. If it is threaded in the front, it might. I don't have this tool anymore, so I can not even measure it for comparison.

No worries! Thank you for your response!

Wouldn't it be better to have the heavy object stationary and have the metal rods/pipe/etc get clamped and pressed onto the blade?

This is for the Dremel 225 flexible extension, not the Dremel itself, so it is not sooo heavy. But you can search for "Dremel Table Saw" and you should be able to find plenty of designs where the Dremel is on bottom and you feed your material from the top.

The SCAD file you included will not generate the object. It comes out as a rectangle with an offset hinge.

I'm not sure I have the correct threads.scad library. Can you tell me the source for the one you used?

I just attached the proper threads.scad file.

Thank you. I found several Thread.SCAD file and didn't know which one to install in the library.
I imported one and tried out it's examples without including the file in another SCAD. The examples gave me what I was looking for.
I installed it. Then I ran your .SCAD file and got an weird error.
Scanning the code I found a line of code that was commented. It looked like it was needed.

// dremel holder
translate([length - hingeOuterDiameter / 2 - holderOuterDiameter / 2, holderOuterDiameter / 2, -1]) {

   //cylinder(r=holderInnerDiameter / 2, h=height + 2);

metric_thread(holderInnerDiameter, holderPitch, height + 2, internal = true);

Removing the slashes and running the program again gave me the correct results.
I like your remix. I printed your STL file and it worked great although I had to fiddle around to get the cutoff wheel
aligned properly.

I want to do a remix and shorten the holding block to the length of the actual threads on the flex line handle
moving the chuck outside the holding housing for easier alignment of the cutoff wheel. I believe the shotrened
housing will be strong enough to do the job.

No remix necessary. Didn't require any change to the original program other than change the following code:

holderHeight =12.75;

how what long spring i need and any got link to in uk

To be honest, I did not use a spring at all. I remixed this from another project, you could check there if the spring is mentioned.