Woodbased 3D Printer With New Desinged Printed Parts

Introduction: Woodbased 3D Printer With New Desinged Printed Parts

Seeing the Printrbot made by Brook Drum I became very interested in it and wanted to build my own 3D printer. I bought parts for a 3D printer. After putting the printer together it was unstable because the parts were very badly printed. Building the frame, parts broke and after month, trying to put it together, I decided to design my own 3D printer and build all the parts in Google Sketchup

Seeing all different types of printers I decided to build the base not from printed parts, but from wood. This gives the 3D printer a stable base and this will improve your printed parts.. Instead of one vertical rod to hold the top of the printer I use two rods on each side of the printer.

But building it for the first time was not an easy job, if you like this idea here is how I made it.

This instruct able is not about building a complete 3D printer but building a stable bases from wood.

Here is my 3D printer at work, sorry for the quality.

Step 1: Step One the Wooden Base

In the picture are the plywood parts, you need the DXF file to cut them with a laser cutter.

Glue parts 1 and 2, 3 and 4, and 5 6 7 and 8 9 10, together these are made from 6 mm plywood. When you are ready you have a bottom part, 2 sides and the middle part for your heated bed.

Glue the sides to the bottom part, see picture 3

Now you need the 3D printed parts from the STL file. Screw the parts on the base see picture 4.

These steps complete your bottom part

Step 2: Step 2, Mounting the Rods

Mounting the rods is the most tricky part, see picture 5. You need to drill 4 holes ( 3 cm deep) in the wooden sides and these holes have to be 1 mm larger than the rods, see picture 6. The rods are 8 mm and you need a 9 mm drill. Make sure those holes are 90 degrees and vertical. The best way to do this is with a special drill like in the picture above.

When ready, mount the top part of the 3D printer see picture 7, and put the horizontal rods in the printed plastic parts. Place 8 bearings in the plastic parts and install the vertical rods, picture 8.

Fill the drilled holes with a 2 component epoxy glue and put the vertical rods, with the top, in the drilled holes from the bottom plate, picture 9.

Make sure that there is a block under the horizontal rods so the top can rest on it and does not make contact with the bottom part otherwise you will glue them together.

Now let the peaces rest till the glue is hard. This procedure will make your frame from the 3d printer straight and aligns the horizontal rods with the vertical rods perfectly.

Step 3: Step 3 Finish the 3D Printer

Now the base of the 3D printer is finished and you can start building the rest of the 3D printer. Mine is based on the Printrbot and here is a complete video training from you tube;

Step 4: Step 4 Parts and Printed Parts

If you like to make this printer you need open the STL files.

Besides that you need to buy some extra parts like the connectors from the threaded rods to the stepper motors and the belt gears. I replaced all those printed parts with metal parts to make the printer more precise.

I use a Sanguinololu board and the wiring schematic is in the PDF

I would buy a complete extruder because mine is still experimental but if you like to try it feel free to use it

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