Another 3d Printer. But Better?

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This 3d printer utilizes square aluminum extrusions for the frame. They are attached with 3d printed pieces that will be placed inside the square tube. When a screw is screwed into these plastic parts they will expand and lock the piece in place. Also for the exterior, there are 3d printed pieces that hold the frame together with a tight fit, screws and nuts. The aluminum extrusions can be purchased at a hardware store, as well as all the nuts and bolts used for this project. The Bed size will be over 200x200x200. A Bowden extruder will be implemented because it causes there to be less weight on the x axis, and therefore the motors don't use as much power and heat up less. I have just finished the design and ordered the motors, belts and smooth rods. I plan on building it very quickly and making a few minor changes to the design.

This design will be able to be built with budget of between 250-400 dollars.

This project uses 3/4" aluminum square tube which is a common hardware store item. It differs from other 3d printers because of its high level of stiffness for such a low cost, and the modular design that is easily upgraded.

  • 5 × Nema 17 Stepper Motor
  • 2 × 12mm Smooth Rods
  • 4 × 8mm Smooth Rods
  • 1 × Ramps 1.4
  • 1 × Arduino Mega

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  • Parts Arrived

    Cody08/14/2014 at 21:40 0 comments

    All my parts have finally arrived and it's almost time to start building. I bought the aluminum tube, smooth rods, and nuts and bolts from McMaster Carr. I bought the motors most electronics stuff just from ebay at low prices.

  • Box Beam Lock

    Cody08/14/2014 at 20:55 0 comments

    So the printed plastic part that is inserted into the square aluminum tube has been revised and now it can be tightened down and the screw pushes a ball bearing into plastic which expands. On the outside there are locking washers which cut into the aluminum and hold it in place.

  • The Joining

    Cody08/01/2014 at 07:19 0 comments

    I posted a few pictures showing my idea of how I'll be joining the square aluminum tube. I'll use expanding pieces that are placed inside the tube, as well as external parts that have a tight fit with no extra wobble space.

  • The Beginning

    Cody08/01/2014 at 06:37 0 comments

    So far only sketched design on solidworks, and ordered the parts. Hope to start building in  a week.

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Liam Marshall wrote 08/14/2014 at 21:53 point
Design files?

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