P3Steel Proteins

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Introduction | Bill of materials | Proteins | Vitamins | Painting the steel frame parts | Main steel frame assembly | Y-axis assembly | X-axis assembly | Connecting X-axis and Z-axis | Motor assembly | X and Y-axis motions | Heated bed assembly | Extruder assembly | Electronics and wiring | Extras

Proteins (earlier options, mostly derived from original Prusa i3 printed part designs)

In RepRap jargon, a protein is a printed part, i.e. anything that you need to make a RepRap, which a RepRap can print itself.

The P3Steel printer is a derivative work of the Prusa i3 and uses a subset of the Prusa i3 proteins.

All STL files listed in this section are available in this GitHub repository.

Carriage parts


Endstop holders

This part allows the attachment of the endstops to the frame. You will need 3 for a basic setup (homing axes) and 6 if you want to sense both ends of each axis.

Different endstops can be attached to the P3Steel printer. Here we list some options.

Endstop 1 Endstop 2 Endstop 3 Endstop 4
Image P3s endstop.png P3S Endstop Holder 2.png P3S Endstop Holder 3.png P3S Endstop Holder 4.png
Files endstop-holder.stl Hall_Endstop.stl hall_endstop_holder.stl endstop-clamp.stl
Sensor type Mechanical Magnetic Magnetic Not Specific
Author Josef Prusa schlotzz jridley Obijuan

X-Axis motor end

This part holds the X-Axis motor, fastens the Smooth rods of the X-Axis, holds two LM8UU bearings for the left Z-Axis smooth rod and the nut for the left Z-Axis threaded bar.

Different X-Axis motor ends can be fitted to the P3Steel printer. Here we list some options.

X Motor End 1 X Motor End 2 X Motor End 3 X Motor End 4
Image P3s xendmotor.png P3s X end motor 2.png P3S x end motor 3.png N/P
Files x-end-motor-abs.stl x_end_motor.stl x-end-motor.stl N/P
Author Josef Prusa Unknown Xoan Sampaiño N/P

X-Axis idler end

This part holds the X-Axis idler, fastens the Smooth rods of the X-Axis, holds two LM8UU bearings for the right Z-Axis smooth rod and the nut for the right Z-Axis threaded bar.

Different X-Axis idler ends can be fitted to the P3Steel printer. Here we list some options.

X Idler End 1 X Idler End 2 X Idler End 3 X Idler End 4
Image P3s xendidler.png P3S X end idler 2.png P3S x end idler 3.png N/P
Files x-end-idler-abs.stl x_end_idler.stl x-end-idler.stl N/P
Bearing Ø 8mm 4mm 4mm N/P
Author Josef Prusa Josef Prusa Xoan Sampaiño N/P

X-Axis carriage

The moving part of the X-Axis, I'ts binded to the X-motor by a timing belt and slides from left to right carrying the extruder and hot end.

Different X-Axis carriages can be fitted to the P3Steel printer. Here we list some options.

X Carriage 1 X Carriage 2 X Carriage 3 X Carriage 4
Image P3s xcarriage.png P3S X carriage 2.png N/P N/P
Files x-carriage.stl x_carriage.stl N/P N/P
Author Josef Prusa Josef Prusa N/P N/P

Y-Axis belt holder

This part goes attached to the bottom of the Y-Axis carriage, I'ts bonded to the Y-motor by a timing belt allowing the Y-Axis carriage to slide front to back carrying the build platform (heated bed).

The design of the P3Steel printer includes an steel part to serve as Y-Axis belt holder but plastic belt holders can be fitted too.

Y Belt holder 1 Y Belt holder 2
Image P3s ybeltholder.png P3S Irobri Y Belt Holder.png
Files y-belt-holder.stl Irobri_Y_Belt_holder.stl
Author Josef Prusa Irobri

Extruder

Different extruders can be fitted to the P3Steel printer. Some fit straight and some need especial X-Carriages or adaptation. The chosen extruder will require specific Vitamins so you should have clear what hot end will be used, then choose the correct extruder variant and then its vitamins (motors, bearings, hobbed bolt/pulley,etc)

Some extruder examples listed.

Gregs Wade Extruder

Image Part (STL) Quantity Commentaries
P3s biggear.png biggearmod_fixed.stl 1 Big Gear
P3s smallgear.png smallgearmod_fixed.stl 1 Small Gear
P3s extruder.png gregs-wade-v3-motor.stl 1 Extruder
P3s extruder idler.png gregs-extruder-v3-idler-mod.stl 1 Extruder idler

Optional parts

Y-Axis Idler end

This is a simple Y Ider to replace the steel support. Two screws make possible the adjustment of the Y Belt tension.

Y-Axis Idler 1
Image P3S Irobri Y Idler.png
Files Irobri_Y_Idler.stl
Author Irobri

P3Steel Proteins (newer list of suggested printed parts)

This is a list of suggested printed parts for the P3Steel v2.0 or v2.01, by AndrewBCN. These parts have all been proven to work with the P3Steel, they should all be relatively easy to print and do not require any heavy "refinishing" work.

(section under construction)

Experimental Printed Parts

There are experimental parts not (fully) proven here.