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Tutorials | Robotronics

3D Printer Kits and Components

ORDBot 3D Printer Resources

Here is a tutorial that I have created on assembling the OrdBot Hadron that I supply.
ORD Bot Hadron Assembly Guide

Here are some photos on of a build.
Robotronics on Flickr

Easy print bed leveling system

There are a lot of good resources on the internet for setting up the various part of your 3D printer. Below are some links to some of them to help you get started.

3D Printer Software

OrdBot Firmware
Here is a guide from the home of the OrdBot.

Here are the setting for the OrdBots and Extruders that I supply
There are a number of different extruders that I supply. The current ones are the Bulldog XL, the Bulldog Lite and the EZStruder. The E-step figures below are a good starting point but you should still fine tune your calibration yourself. These are all for 1/16 micro stepping, if you are using 1/32 micro stepping you will need to double these figures.

See here for calculations -

Bulldog XL
For 1/16 micro stepping
For steps per mm Use X = 80, Y= 80, Z=2560 , E=500
#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,2560,500}

Bulldog Lite
For 1/16 micro stepping
For steps per mm Use X = 80, Y= 80, Z=2560 , E=100
#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,2560,100}

For 1/16 micro stepping
For steps per mm Use X = 80, Y= 80, Z=2560 , E=100
#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,2560,100}

There are two variations of the "Wades Reloaded" extruder that I have supplied. The original "Wades Reloaded" extruder had a 14mm wide main gear that required counter sinking of the screws on the Ordbot carriage. The later "Wades Reloaded" extruder that I supplied uses a sightly narrower (10mm wide) main gear that fits without modification. The original extruder uses an E-step of 950. The current extruder uses an E-step of 1975.

Home position is just a matter of moving the long grub screws that press against the micro switches, or moving the end stop circuit boards depending on which option you have. Home position is hot end at front left, if it is not going that way you need to change stepper direction in firmware, eg. INVERT_X_DIR for the x-axis.
E step is the only one you need to fine tune but numbers give above are a good starting point if you are using one of the extruders that I supply.

Marlin Firmware Configuration
Here is an excellent guide from Airtripper.

Here are some information pages from the home of the DIY desktop 3D printer.

PC Power Supply Setup

J-Head Mk V wiring instructions
Note that the current J-Head uses a Semitec thermistor which is thermistor 5 in most firmware tables.

RAMPS Configuration

RAMPS Wiring Diagram

PCB Heat Beds

LCD Controller Configuration

Graphic LCD Controller Configuration

Triffid Hunter's Calibration Guide


RichRap's Slic3r Guide
Slic3r is Nicer - Part 1 -
Slic3r is Nicer - Part 2 -
Slic3r is Nicer - Part 3 -

3D CAD Software
AutoDesk 123D

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All items ship from our office in Townsville, QLD.
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