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Recent Posts
- One step conversion of an image to gcode for Makerbot Unicorn and Reprap style 3D Printers
- DIY Dual H-Bridge to control a Pen Plotter
- Old-school Scientific Pen Plotter Teardown
- Playing around with a heated chamber design.
- MIT: 3-D printing with variable densities
- Mike Biddle: We can recycle plastic
- Printable PCB motor?
- Cryogenic Granular Grinding
- Drawing gears in Sketchup.
- 2011 – The year of the 3D printer?
- IceRap – Water deposition for ice printing?
- Constructing the ‘gunstrap’
- Rethinking the Mantis Repstrap.
- How to use cad.py.
- Using cad.py on a Windows PC
- CNC milling with RAMPS.
- Making endstops from printer photo interrupters.
- Printer Parts + Time = Repstrap.
- Workshop LED light – DIY Walk-through
- Hands on experience with an SEM.
- Arduino Mega & a character LCD.
- Solvent Compatibility and plastics.
- Getting acquainted with my Arduino mega.
- Recycling, storage and degradation of polymers.
- Using sketchup’s ‘Import Photo’ Function to model objects.
Category Archives: A Reprap Project
One step conversion of an image to gcode for Makerbot Unicorn and Reprap style 3D Printers
How to take an image like this: and in one step generate the gcodes required to do this: All credit for cad.py goes to the original creator Neil Gershenfeld of MIT Center for Bits and Atoms and David Carr of Make Your Bot who optimised the … Continue reading
Posted in A Reprap Project
Tagged g-code, guide, makerbot, pen plotter, plotteriser, reprap, scribbles, tutorial, unicorn, walkthrough
3 Comments
DIY Dual H-Bridge to control a Pen Plotter
In my previous post I pulled apart an old pen plotter revealing it to be controlled by two brushed DC motors. In order to power each DC motor a H-bridge was required but I had none on hand. However it turns out a H … Continue reading
Old-school Scientific Pen Plotter Teardown
I recently acquired an old Rikadenki pen plotter from a lab I work in and have decided to pull it apart to investigate how it works. It turns out to be quite unlike any of the Cartesian bots currently used by the DIY community. The pen … Continue reading
Posted in A Reprap Project
Tagged diy, hystersis, pen plotter, teardown, thin gage wire, x axis, y axis
3 Comments
Playing around with a heated chamber design.
For quite some time I have lusted after a 3D printer with the following specifications: A 20x20x15cm build area A heating print bed A heated build chamber (ambient to 100C) to possibly eliminate warping. A respectable print resolution and speed … Continue reading
Posted in A Reprap Project
Tagged 3d orubter, 3d warehouse, ball bearings, extruder, heated build chamber, heated print bed, mendel, ptfe, RAMPS, reprap, sleeve bearings, ultimaker
5 Comments
