For the…

Prusa i3 Mk3s

In this induction you will learn

  • the safe efficient operation of a 3D Printer
  • what you can achieve with a 3D Printer
  • a basic intro to designing for 3d printing TinkerCad
  • how to prepare a simple design for printing.
  • how to identify problems and what to do when problems occur.


Prusa i3 MK3s+

The Prusa i3 MK3s+ is a successor to Original Prusa i3 MK3 with hardware and software upgrades which lead to improved reliability and ease of use and assembly.

The Edge purchased 5 Prusa i3s printers to replace the ageing Up mini 2s.


  • Build volume – (250(W) x 210(D) x 210(H) mm (11,025 cm3)
  • 0.4mm nozzle
  • PEI print surface


In theory, the Prusa i3 Mk3s+ can be set up to print using a range of filaments including:

PLA Polylactic acid (Starch based)
ABS Acrylonitrile butadiene styrene
PETG Polyethylene terephthalate (Glycol modified)
Nylon Polyamide
Composite Materials Often PLA with carbon fiber, metal or wood fill
HIPS High-impact polystyrene
PVA Polyvinyl acetate (Water-soluble Print support)
PP Polypropylene

In practice, we control the types of filaments permitted for printing, due to the emissions they produce when melted. For the full range, see: Supported Filaments





Elements of this wiki entry have been adapted from the Prusa 3D Manual Mk3S; English Edition, which is published under a CC attribution licence and is available here

Induction Materials

3D printing operations

Below describes guidelines for coordinating public access of the 3D printers.

Prusa i3 Mk3s Components

Prusa Slicer

Prusa Slicer is the version of 3d Slic3r adapted for the Prusa i3 MK3S

Prepping your 3d model for printing

1 Open the PrusaSlicer application. If you are prompted that a Configuration Update is available, click to install the update before proceeding further.
2 Use the Add button to load models into PrusaSlicer
3 Delete Delete All buttons remove the model(s) from PrusaSlicer opens the detailed settings of print , filament and printer
4 Use Move, scale, rotate , Place on Face and cut tools to prepare the model to printing in the most efficient/ effective orientation,
5 Select a Quality / Speed setting for your print
6 Material selection (on Fabrication Lab computers, only filament brands/polymers provided in the Lab will appear in the dropdown list)
7 Select a Supports setting
8 Select an Infill percentage
9 Click Slice to slice the model into layers in the Z axis and select layers preview to view infill land
Check the Sliced Info for the cost and how long its going to take to print before exporting your gcode
The Edge charges 15cents / gram and your print needs to be finished before the Lab Closes - talk to the Fab Lab Supervisor if you have a long job you'd like to do .
11 Generate and export gcode to the SD Card by clicking the Export G-Code button .
Hint Right-click on model opens a context menu
Hint Switch between 3D editor and Layer Preview by clicking &

Designing for 3D printing in TinkerCad



Ajay Pratap, 2021/12/11 04:16
I am writing a review paper on the assembly and design of a 3D printer. May I use the above image of Prusa i3 Mk3s components for the same? I make sure that I will try my best to give the reference of your articles.
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facilities/fablab/equipment-cots/prusa_i3_mk3s/3dprtgindctnpres.txt · Last modified: 2021/02/17 12:47 by Andrei Maberley
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