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Rep Straps
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A collection of repstraps
CAD Models
External Link

This page is a list of all RepStraps. (See the Glossary#RepStrap for a definition).

A RepStrap is a open-hardware rapid prototyping machine which is made by fabrication processes which aren't under the RepRap umbrella yet. You can build a 3D printer using a tablesaw, or using a lasercutter, and use this to make fun, beautiful, useful things.

Like RepRap parts, of course!

This page is necessarily less structured than the other Builder's Wiki pages, as it depends much more on the particular RepStrap being described.

Please create a link below for your RepStrap like this example entry:

But replace "My Web Site" with the name of your RepStrap:

[ My Web Site]


If there is a page on the RepRap wiki that describes a RepStrap but is not listed on this page, please edit that page and put the category:RepStrap tag on it. Then the wiki will automatically display a link to that page at the bottom of this page.


Consider merging this section into What Tooling Do You Have.

There are several possible approaches to building and using a RepStrap. Some alternatives are:

  • I want a Mendel, I can't get Mendel-printed parts, *and* I want some other machine that can do a few things better or faster than a Mendel.
    • often these people build or buy a relatively rugged CNC Mill, briefly use it as a MillStrap to print out a set of Mendel parts, and then return to using it as a milling machine.
  • I want a Mendel, I can't get Mendel-printed parts, so I want a cheap, flimsy bootstrap machine that only needs to hold together long enough and with barely enough precision to print the parts for a complete Mendel. There are two approaches:
    • a flimsy, slow, low-resolution device roughly similar to a Mendel, that is adequate for making slightly higher precision and more robust parts, that is gradually upgraded piece-by-piece until it *becomes* a Mendel.
    • a flimsy, slow, low-resolution device that may or may not look anything like a Mendel, but is adequate for printing *all* the parts for a complete Mendel. Perhaps a MillStrap#Really_small_mill. Once the Mendel is up and running, the entire bootstrap device is disassembled and recycled.
  • I want a RepRap 3D printer, can't afford or do not have access to Mendel printed parts, and want to build it from scratch with no intention to replace or upgrade to Mendel
  • I want a 3D printer that is capable of printing parts and printing a Mendel, so I will purchase a commercial machine or a commercial kit.
  • I want a 3D printer that is capable of printing parts and printing a Mendel, shares all of the same hardware as a Mendel, but is not 3D printed itself. A wood (WoodenMendel) , metal ([[MetalMendel]) or cast plastic printer (Clonedel) falls into this category.

We are currently collaborating on an improved bootstrap process at Development:McWire Successor.

External links to RepStraps

Developer's personal blogs and content about RepStrap

RepStrap V1 and V2


McWire RepStrap

Bob Teeter's RepStrap


Oregon Institute of Technology RepStrap


Lego RepStrap

FTIStrap - a RepStrap built from FischerTechnik parts

Metalab RepRap Research Team



McWire RepStrapper

WolfStrap (German)

Bonsai Repstrap


News: [Kent's strapper CNC]


Triffid Hunter's Wooden Mendel

NumberSix's RepStrap - in Oak

Reprap 1X2

RepStraps that are properly categorized on the RepRap wiki


This category has the following 13 subcategories, out of 13 total.

Pages in category "RepStrap"

The following 95 pages are in this category, out of 95 total.