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17 commits
R3 ... master

Author SHA1 Message Date
Alexandr Kukan
853bc30c4b
 		Update README.md 
Updated link to assembly manual, MINI+ name updated
 2021-02-14 09:40:55 +01:00
Alexandr Kukan
61fbc3c5bb
 		OSHWA logo 
Open Source Hardware Association certification logo added
 2021-02-07 19:37:31 +01:00
Alexandr Kukan
28a41fd44e MINI+ kit updates 
MINI+ kit version updates for easier assembly

Co-Authored-By: Robert Turinský <47699148+rturinsky@users.noreply.github.com>
 2021-02-07 19:33:22 +01:00
akukan
b8f745f3a1 Merge branch 'master' of https://github.com/prusa3d/Original-Prusa-MINI 2020-12-08 16:50:42 +01:00
akukan
5cac9f632f R7 and MINI+ 
R7 and MINI+
 2020-12-08 16:50:29 +01:00
Alexandr Kukan
569d8d1c48
 		Update README.md 2020-08-21 16:21:41 +02:00
akukan
03b7aedde3 Adjustments to avoid print problems 
Y-BELT_HOLDER : Length increased by 0.5 mm on both sides near channel for the wrench - thin wall elimination

Y-IDLER : Chamfer near cut for the rib - thin wall elimination
 2020-08-21 16:20:45 +02:00
akukan
6bdd616ca3 Documentation, BOM and source code 
Documentation, BOM and source code

Co-Authored-By: Robert Turinský <rturinsky@users.noreply.github.com>
 2020-08-19 12:59:38 +02:00
Alexandr Kukan
4b20f73938
 		3MF file format removed 
3MF file format removed
 2020-06-22 14:19:27 +02:00
Alexandr Kukan
4a3e2b1fbd
 		Missing parts added 2020-06-05 16:18:13 +02:00
Alexandr Kukan
a08f0726af
 		Selective infill, smooth rods seating adjusted 
- adjustment of selective infill
- blind holes for smooth rods
- slot for smooth rod adjusted and decreased width by 0.05mm
 2020-04-27 13:30:53 +02:00
Alexandr Kukan
bc5b825263
 		hole adjustments, selective infill 
- larger holes for z-plate
- selective infill near walls as reinforcement middle M3S nut 
- deeper holes for hold-together screws ( M3x20 and M3x40 ) for better assembly
 2020-04-27 13:29:36 +02:00
Alexandr Kukan
44eeca4c59
 		larger hole for PTFE connector 
larger hole for PTFE connector
 2020-04-27 13:28:10 +02:00
Alexandr Kukan
b56cef845e
 		selective infill adjusted 
selective infill adjusted to start from bottom layers
 2020-04-27 13:25:40 +02:00
Alexandr Kukan
1033d92fa2
 		Delete MINI-extruder-idler.stp 2020-04-27 13:25:16 +02:00
Alexandr Kukan
d861914fd3
 		selective infill adjusted 
selective infill adjusted to start from bottom layers
 2020-04-27 13:24:54 +02:00
Alexandr Kukan
51c42b368b
 		Missing part added 
Missing part added
 2020-03-10 13:52:07 +01:00
130 changed files with 180502 additions and 126706 deletions
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51
BOM/E-AXIS.md Normal file
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![e-axis](img/e-axis.png?raw=true "e-axis")
**PRINTED PARTS**
|Name|Qty|
|:---------------|:---:|
|MINI-extruder-front|1|
|MINI-extruder-idler|1|
|MINI-extruder-rear|1|
|MINI-inspection-door|1|
**FASTENERS**
|Name|Qty|
|:---------------|:---:|
|M3x12 screw|3|
|M3x25 screw|6|
|M3x40 screw|1|
|M3n|4|
|M3nN|1|
|M3nS|1|
**ELECTRICAL PARTS**
|Name|Qty|
|:---------------|:---:|
|[MINI-E-axis motor](/DOCUMENTATION/ELECTRONICS/mini-motor-kit.pdf)|1|
**STANDARD PARTS**
|Name|Qty|
|:---------------|:---:|
|Bearing 625 2Z|2|
|MINI extruder idler spring|1|
|Zip tie|3|
**CUSTOM PARTS**
|Name|Qty|
|:---------------|:---:|
|[MINI fitting](/DOCUMENTATION/MECHANICAL%20PARTS/mini-fitting.pdf)|1|
|[MINI fitting swivel nut](/DOCUMENTATION/MECHANICAL%20PARTS/mini-fitting-swivel-nut.pdf)|1|
|[MINI fitting olive](/DOCUMENTATION/MECHANICAL%20PARTS/mini-fitting-olive.pdf)|1|
|[MINI motor pinion](/DOCUMENTATION/MECHANICAL%20PARTS/mini-motor-pinion.pdf)|1|
|[MINI filament spur](/DOCUMENTATION/MECHANICAL%20PARTS/mini-extruder-spur.pdf)|1|
|[MINI extruder PTFE tube 4x2x15](/DOCUMENTATION/MECHANICAL%20PARTS/PTFE-tube-extruder-15.pdf)|1|
|[MINI input PTFE tube 4x2x150](/DOCUMENTATION/MECHANICAL%20PARTS/PTFE-tube-input-150.pdf)|1|
|[MINI bowden 4x2x275](/DOCUMENTATION/MECHANICAL%20PARTS/PTFE-tube-bowden-275.pdf)|1|
|[MINI shaft 5x12](/DOCUMENTATION/MECHANICAL%20PARTS/mini-idler-shaft.pdf)|1|

37
BOM/FILAMENT SENSOR.md Normal file
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![fs](img/fs.png?raw=true "fs")
**PRINTED PARTS**
|Name|Qty|
|:---------------|:---:|
|MINI-Fsensor-box|1|
|MINI-Fsensor-cover|1|
|MINI-Fsensor-lever|1|
**FASTENERS**
|Name|Qty|
|:---------------|:---:|
|M3x12 screw|4|
|M2x8 screw|1|
**ELECTRICAL PARTS**
|Name|Qty|
|:---------------|:---:|
|[IR filament sensor](https://github.com/prusa3d/MKxS-IR-sensor)|1|
|[IR filament sensor cable](/DOCUMENTATION/ELECTRONICS/mini-filament-sensor-cable.pdf)|1|
**STANDARD PARTS**
|Name|Qty|
|:---------------|:---:|
|Magnet 10x6x2|2|
|Stainless steel ball 7mm|1|
**CUSTOM PARTS**
|Name|Qty|
|:---------------|:---:|
|[MINI FS textile sleeve](/DOCUMENTATION/MECHANICAL%20PARTS/mini-oplet-5x300.pdf)|1|
|[MINI FS PTFE 4x2x15](/DOCUMENTATION/MECHANICAL%20PARTS/PTFE-tube-extruder-15.pdf)|1|

28
BOM/SPOOLHOLDER.md Normal file
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![spoolholder](img/spoolholder.png?raw=true "spoolholder")
**PRINTED PARTS**
|Name|Qty|
|:---------------|:---:|
|MINI-spoolholder-base|4|
|MINI-spoolholder-rail|2|
**FASTENERS**
|Name|Qty|
|:---------------|:---:|
|M3x8 screw|4|
|M3x12 screw|4|
|M3n|4|
**STANDARD PARTS**
|Name|Qty|
|:---------------|:---:|
|Bearing 608 2Z|4|
**CUSTOM PARTS**
|Name|Qty|
|:---------------|:---:|
|[MINI spoolholder foam pads](/DOCUMENTATION/MECHANICAL%20PARTS/mini-s-holder-pads.pdf)|4|

64
BOM/X-AXIS.md Normal file
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![x-axis](img/x-axis.png?raw=true "x-axis")
**PRINTED PARTS**
|Name|Qty|
|:---------------|:---:|
|MINI-x-carriage|1|
|MINI-x-end|1|
|MINI-z-carriage-front|1|
|MINI-z-carriage-rear|1|
|MINI-fan-spacer|1|
|MINI-fan-spacer-clip|1|
|MINI-minda-holder|1|
**FASTENERS**
|Name|Qty|
|:---------------|:---:|
|M3x12 screw|12|
|M3x20 screw|9|
|M3x30 screw|4|
|M3x10 button head screw|1|
|M3x4 grub screw|4|
|M3n|4|
|M3nN|1|
|M3nS|13|
**ELECTRICAL PARTS**
|Name|Qty|
|:---------------|:---:|
|[MINI hotend thermistor](/DOCUMENTATION/ELECTRONICS/mini-termistor.pdf)|1|
|[MINI heater](/DOCUMENTATION/ELECTRONICS/mini-heater.pdf)|1|
|[MINI heatsink fan](/DOCUMENTATION/ELECTRONICS/mini-extruder-fan.pdf) ([DS](/DOCUMENTATION/ELECTRONICS/mini-extruder-fan-DS.pdf))|1|
|[MINI print fan](/DOCUMENTATION/ELECTRONICS/mini-turbine-fan.pdf) ([DS](/DOCUMENTATION/ELECTRONICS/mini-turbine-fan-DS.pdf))|1|
|[MINI M.I.N.D.A.](/DOCUMENTATION/ELECTRONICS/mini-minda.pdf)|1|
|[2S connector](/DOCUMENTATION/ELECTRONICS/mini-2s.pdf)|1|
|[MINI X-axis motor](/DOCUMENTATION/ELECTRONICS/mini-motor-kit.pdf)|1|
**STANDARD PARTS**
|Name|Qty|
|:---------------|:---:|
|LM8UU linear bearing |2|
|LM10LUU linear bearing|2|
|Pulley Bearing Idler 623h|1|
|Pulley Motor GT2-16|1|
|X-axis belt 561 mm|1|
**CUSTOM PARTS**
|Name|Qty|
|:---------------|:---:|
|[MINI X smooth rod](/DOCUMENTATION/MECHANICAL%20PARTS/mini-x-rod.pdf)|2|
|[MINI heatsink](/DOCUMENTATION/MECHANICAL%20PARTS/mini-heatsink.pdf)|1|
|[MINI heatbreak](/DOCUMENTATION/MECHANICAL%20PARTS/mini-heatbreak.pdf)|1|
|[MINI heaterblock](/DOCUMENTATION/MECHANICAL%20PARTS/mini-heaterblock.pdf)|1|
|[MINI nozzle 0.4](/DOCUMENTATION/MECHANICAL%20PARTS/mini-nozzle.pdf)|1|
|[MINI fitting](/DOCUMENTATION/MECHANICAL%20PARTS/mini-fitting.pdf)|1|
|[MINI fitting swivel nut](/DOCUMENTATION/MECHANICAL%20PARTS/mini-fitting-swivel-nut.pdf)|1|
|[MINI fitting olive](/DOCUMENTATION/MECHANICAL%20PARTS/mini-fitting-olive.pdf)|1|
|[MINI hotend PTFE tube 4x2x43.4](/DOCUMENTATION/MECHANICAL%20PARTS/PTFE-tube-hotend.pdf)|1|
|[MINI X motor textile sleeve](/DOCUMENTATION/MECHANICAL%20PARTS/mini-oplet-5x300.pdf)|1|
|[MINI hotend textile sleeve](/DOCUMENTATION/MECHANICAL%20PARTS/mini-oplet-8x700.pdf)|1|

62
BOM/Y-AXIS.md Normal file
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![y-axis](img/y-axis.png?raw=true "y-axis")
**PRINTED PARTS**
|Name|Qty|
|:---------------|:---:|
|MINI-y-belt-holder|1|
|MINI-y-idler|1|
|MINI-y-plate-front|1|
|MINI-y-plate-rear|1|
|MINI-heatbed-cable-cover-bottom|1|
|MINI-heatbed-cable-cover-top|1|
|MINI-display-box|1|
|MINI-knob|1|
**FASTENERS**
|Name|Qty|
|:---------------|:---:|
|M3x8 screw|15|
|M3x12 screw|7|
|M3x20 screw|3|
|M5x20r screw|8|
|M3x4 Torx|9|
|M3nN|11|
|M3nS|2|
|M3nE|3|
|[M3x6 hex spacer](/DOCUMENTATION/MECHANICAL%20PARTS/mini-column.pdf)|9|
**ELECTRICAL PARTS**
|Name|Qty|
|:---------------|:---:|
|[MINI heatbed](https://github.com/prusa3d/Heatbed-Mini-PCB)|1|
|[MINI heatbed termistor](/DOCUMENTATION/ELECTRONICS/MK3s-HB-termistor.pdf)|1|
|[MINI heatbed cable](/DOCUMENTATION/ELECTRONICS/mini-bed.pdf)|1|
|[MINI Y-axis motor](/DOCUMENTATION/ELECTRONICS/mini-motor-kit.pdf)|1|
|[MINI display](/DOCUMENTATION/ELECTRONICS/mini-display-ldopr28lcd-a003.zip) [(driver DS)](/DOCUMENTATION/ELECTRONICS/mini-lcd-driver-st7789v.pdf) [(lcd module DS)](/DOCUMENTATION/ELECTRONICS/mini-lcd-module-fw024tft-v14.pdf)|1|
|[MINI lcd cable](/DOCUMENTATION/ELECTRONICS/mini-lcd-cable.pdf)|1|
**STANDARD PARTS**
|Name|Qty|
|:---------------|:---:|
|LM8UU linear bearing|3|
|Pulley Bearing Idler 623h|1|
|Pulley Motor GT2-16|1|
|Y-axis belt 496 mm|1|
**CUSTOM PARTS**
|Name|Qty|
|:---------------|:---:|
|[MINI aluminium extrusion 262mm](/DOCUMENTATION/MECHANICAL%20PARTS/mini-y-extrusion.pdf)|2|
|[MINI Y smooth rod](/DOCUMENTATION/MECHANICAL%20PARTS/mini-y-rod.pdf)|2|
|[MINI Y carriage](/DOCUMENTATION/MECHANICAL%20PARTS/mini-y-carriage.pdf)|1|
|[MINI heatbed textile sleeve](/DOCUMENTATION/MECHANICAL%20PARTS/mini-oplet-5x350.pdf)|1|
|[U bolt](/DOCUMENTATION/MECHANICAL%20PARTS/u-bolt.pdf)|3|
|[MINI steel sheet](/DOCUMENTATION/MECHANICAL%20PARTS/mini-steelsheet-std.pdf)|1|
|[MINI foam pad](/DOCUMENTATION/MECHANICAL%20PARTS/mini-foam-pad.pdf)|5|

39
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![z-axis](img/z-axis.png?raw=true "z-axis")
**PRINTED PARTS**
|Name|Qty|
|:---------------|:---:|
|MINI-z-bottom|1|
|MINI-z-bottom-cover|1|
|MINI-z-bottom-cable-cover|1|
|MINI-z-top|1|
**FASTENERS**
|Name|Qty|
|:---------------|:---:|
|M3x8 screw|4|
|M3x12 screw|4|
|M3x20 screw|10|
|M3x40 screw|1|
|M5x16r screw|4|
|M3n|4|
|M3nS|10|
**ELECTRICAL PARTS**
|Name|Qty|
|:---------------|:---:|
|[MINI Buddy board v1.0.x](https://github.com/prusa3d/Buddy-board-MINI-PCB)|1|
|[MINI power switch](/DOCUMENTATION/ELECTRONICS/mini-power-switch.pdf)|1|
|[MINI display cable](/DOCUMENTATION/ELECTRONICS/mini-lcd-cable.pdf)|1|
|[MINI Z-axis motor](/DOCUMENTATION/ELECTRONICS/mini-motor-kit.pdf)|1|
**CUSTOM PARTS**
|Name|Qty|
|:---------------|:---:|
|[MINI Z plate bottom](/DOCUMENTATION/MECHANICAL%20PARTS/mini-z-plate-bottom.pdf)|1|
|[MINI aluminium extrusion 289mm](/DOCUMENTATION/MECHANICAL%20PARTS/mini-z-extrusion.pdf)|1|
|[MINI Z smooth rod](/DOCUMENTATION/MECHANICAL%20PARTS/mini-z-rod.pdf)|2|

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DOCUMENTATION/PRINT SETTINGS/recommended print settings for Original Prusa MINI.md Normal file
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### Recommended print settings :
Printer : **Original Prusa MINI**
Print settings : **0.20mm Quality**
Material : **Prusament PETG**
Nozzle : **0.4 mm**
Layer : **0.2 mm**
Support : **no supports**
### **Edit :**
Infill pattern : **grid**
Infill density : **10 %**
<br/>
### **Parts :**
- MINI-z-bottom-cover
- MINI-z-bottom-cable-cover
- MINI-fan-spacer
- MINI-fan-spacer-clip
- MINI-fsenzor-box
- MINI-fsenzor-cover
- MINI-fsenzor-lever
- MINI-minda-holder
- MINI-inspection-door
- MINI-knob
- MINI-heatbed-cable-cover-bottom
- MINI-heatbed-cable-cover-top
- MINI-rail-spoolholder
- MINI-base-spoolholder
-------------------------------------------------------------------------------------------------------------------
### Recommended print settings :
Printer : **Original Prusa MINI**
Print settings : **0.20mm Quality**
Material : **Prusament PETG**
Nozzle : **0.4 mm**
Layer : **0.2 mm**
Support : **no supports**
### **Edit :**
Infill pattern : **grid**
Infill density : **20 %**
<br/>
### **Parts :**
- MINI-x-carriage
- MINI-x-end
- MINI-y-belt-holder
- MINI-y-idler
- MINI-y-plate-rear
- MINI-y-plate-front
- MINI-z-carriage-rear
- MINI-z-carriage-front
- MINI-z-bottom
- MINI-z-top
- MINI-extruder-rear
- MINI-extruder-front
- MINI-extruder-idler
- MINI-display-box
-----------------------------------------------------------------------------------------------
Please keep in mind thermal expansion of used material especially in XY plane. Printed parts are tempered by heatbed - then cooled down to room temperature so parts shrink.
```
Apply this linear relation: delta D´ = D * gamma * delta T
delta D´ = final dimension difference
D = original dimension
gamma = coefficient of thermal expansion for used material
delta T = printed part temperature difference between current temperature
while it's printed and ambient temperature in use
Example:
material PETG: HB temp. = 90 [°C]
amb. temp. = 25 [°C]
delta T 90 - 25 = 65 [°C]
gamma 0.000068 [m/m*°C] [1/°C] (doesn't matter if Celsius or Kelvin)
D 100 [mm]
Use basic unit!
delta D´ = D * gamma * delta T
delta D´ = 0.1 * 0.000068 * 65
delta D´ = 0.000442 [m] = 0.442 [mm]
```
Linear thermal expansion works for each layer if there's any delta T but every layer has different delta T if the heatbed temperates printed part - the higher layer position the smaller delta T. It's due to cooling printed part by ambient air and air flow from print fan.

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DOCUMENTATION/PRINT SETTINGS/recommended print settings for Original Prusa i3 MK3S.md Normal file
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### Recommended print settings :
Printer : **Original Prusa i3 MK3S**
Print settings : **0.20mm Quality**
Material : **Prusament PETG**
Nozzle : **0.4 mm**
Layer : **0.2 mm**
Support : **no supports**
### **Edit :**
Infill pattern : **grid**
Infill density : **10 %**
<br/>
### **Parts :**
- MINI-z-bottom-cover
- MINI-z-bottom-cable-cover
- MINI-fan-spacer
- MINI-fan-spacer-clip
- MINI-fsenzor-box
- MINI-fsenzor-cover
- MINI-fsenzor-lever
- MINI-minda-holder
- MINI-inspection-door
- MINI-knob
- MINI-heatbed-cable-cover-bottom
- MINI-heatbed-cable-cover-top
- MINI-rail-spoolholder
- MINI-base-spoolholder
-------------------------------------------------------------------------------------------------------------------
### Recommended print settings :
Printer : **Original Prusa i3 MK3S**
Print settings : **0.20mm Quality**
Material : **Prusament PETG**
Nozzle : **0.4 mm**
Layer : **0.2 mm**
Support : **no supports**
### **Edit :**
Infill pattern : **grid**
Infill density : **20 %**
<br/>
### **Parts :**
- MINI-x-carriage
- MINI-x-end
- MINI-y-belt-holder
- MINI-y-idler
- MINI-y-plate-rear
- MINI-y-plate-front
- MINI-z-carriage-rear
- MINI-z-carriage-front
- MINI-z-bottom
- MINI-z-top
- MINI-extruder-rear
- MINI-extruder-front
- MINI-extruder-idler
- MINI-display-box
-----------------------------------------------------------------------------------------------
Please keep in mind thermal expansion of used material especially in XY plane. Printed parts are tempered by heatbed - then cooled down to room temperature so parts shrink.
```
Apply this linear relation: delta D´ = D * gamma * delta T
delta D´ = final dimension difference
D = original dimension
gamma = coefficient of thermal expansion for used material
delta T = printed part temperature difference between current temperature
while it's printed and ambient temperature in use
Example:
material PETG: HB temp. = 90 [°C]
amb. temp. = 25 [°C]
delta T 90 - 25 = 65 [°C]
gamma 0.000068 [m/m*°C] [1/°C] (doesn't matter if Celsius or Kelvin)
D 100 [mm]
Use basic unit!
delta D´ = D * gamma * delta T
delta D´ = 0.1 * 0.000068 * 65
delta D´ = 0.000442 [m] = 0.442 [mm]
```
Linear thermal expansion works for each layer if there's any delta T but every layer has different delta T if the heatbed temperates printed part - the higher layer position the smaller delta T. It's due to cooling printed part by ambient air and air flow from print fan.

16
README.md
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# Original Prusa MINI
# Original Prusa MINI / MINI+
The Original Prusa MINI is a 3D printer project maintained by PRUSA RESEARCH. Originates in the RepRap project.
The Original Prusa MINI / MINI+ is a 3D printer project maintained by PRUSA RESEARCH. Originates in the RepRap project.
This repository contains STEP and 3MF/STL files of the printed and mechanical parts.
This repository contains resources and documentation for printed and mechanical parts of the printer.
**Links**
* Prusa Research website : http://prusa3d.com
* Product page: https://www.prusa3d.com/original-prusa-mini/
* Build manual: https://manual.prusa3d.com/c/Original_Prusa_MINI_assembly
* Build manual: https://help.prusa3d.com/en/tag/mini-2/
* Buddy-board : https://github.com/prusa3d/Buddy-board-MINI-PCB
* Heatbed : https://github.com/prusa3d/Heatbed-Mini-PCB
* IR senzor : https://github.com/prusa3d/MKxS-IR-sensor
<p align="center">
<img src="DOCUMENTATION/OSHW_CZ000002.png" align="right" width="100" title="OSHW logo">
</p>

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