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Printer Bed Scraper with Replaceable Printed Blades

Creation's quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.

3D model description

This is a spatula for removing objects from the print bed, with easily replaceable printable blades. When one side of the blade gets worn out, just turn the other side. And the best thing is that it won't damage your print bed!

Blades come in 4 types: Soft - for general use, Hard - for removing stubborn objects, Combo having one soft and one hard side, and finally Extra-Hard or "XHard".

For better performance, make sure that the blade label is turned downwards.

Blades can be printed in either material. It is advisable to use a blade of the same material as the object that is being removed.

UPDATE 2018-02-11
Added Extra-Hard (XHard) blades
Removed GCODE files for blades
UPDATE 2017-09-26
NEW Scraper Handle v2 has closed sides, keeping the blade firmly in place and preventing it from sliding out sideways. It also does not require supports anymore, but you should enable bridging parameters detection.
If a single-piece print does not work for you, a split v2 version is also included.
Important: In order to ensure a proper slit size, you should first calibrate the extrusion using this model:
UPDATE 2017-09-04
Some users have experienced troubles removing supports from the slit of the Printer Bed Handle, so I included a 2-part split version. Glue after printing.
Fixed a minor error in STL file. Does not affect already enclosed GCODE files.
Feel free to tip me if you like this! :)

3D printing settings

Printer Brand:



Prusa Mk2


0.15, 0.20



Handle v2
Layer height: 0.20 mm
Infill: 20%
Supports: No
Detect bridging perimeters: Yes
support_material_contact_distance = 0.2 (detachable)
perimeters = 3
dont_support_bridges = 1
first_layer_height = 0.2
Handle (old)
Layer height: 0.20 mm
Infill: 20%
Supports: Yes
support_material_contact_distance = 0.2 (detachable)
perimeters = 3
dont_support_bridges = 1
first_layer_height = 0.2
Layer height: 0.15 mm
Supports: No
perimeters = 3
first_layer_height = 0.2
The gcode files are sliced with Slic3r using standard ABS and PLA settings for Prusa Mk2.

Removing Supports From the Handle

Be careful to remove all supports from the handle slit, before inserting a blade. The enclosed GFILES are set with 0.2 mm contact-distance, which makes the supports easier to remove.

If you have troubles removing the supports from the slit, then use the included Printer_Bed_Handle_Split.stl file to slice and print using your proven printing preferences.

Removing an Object From the Print Bed
Wait for the heat bed to cool down! Pulling an object while the bed is still hot may damage the PEI sheet and cause it to lift, or even tear off! A hot bed will also soften the blade.
Try inserting the scraper underneath one of angles and work your way along the perimeter.
Try wiggling the object or tapping it slightly, to ease the bond with the bed.
Spray one angle using a compressed air can, holding it upside-down. This will cause the object and the bed to instantly freeze, relieving the bond at that point. Now starting from there, use the scraper/spatula to release the rest of the object.
You can also pour some IPA (isopropyl alcohol) near the object and let it sit there for a few minutes, working its way underneath the object. Use the scraper to release the object.
CAUTION: Pouring IPA on an object, (especially when still hot) leaves some residuum on a print bed, that will prevent filament in further prints from properly sticking to it. Therefore, after removing the object you must thoroughly wipe the bed using white paper tissues and clean IPA.
Removing PETG Objects

PETG is notorious for being difficult to remove from a PEI bed. The following tips should make your life a bit easier regarding that problem.

Before printing a PETG object, you can optionally spray the PEI bed with Windex or a similar glass cleaning spray, and let it evaporate. It will leave a thin silicone layer that prevents the material from sticking too firmly to the bed.
After the printing, heat the bed again (if already cooled down).
Turn the heating off.
Start removing the object as described above while the bed is cooling, but before it gets back below 40°C.
This works because the object is cooling at a different rate than the PEI bed, so you get some thermal advantage.

You can also help yourself by pouring some IPA at the object's perimeters, as described above.

Blade Options
There are three blade versions according to the hardness:

Soft, having two soft sides, for general use;
Hard, having two hard sides, for removing stubborn objects;
Combo, having one soft, and one hard side.
There are three blade versions according to their label:

Blade with "PLA" label printed on the bottom;
Blade with "ABS" label printed on the bottom;
Blade with no label.
The enclosed GCODE files have also 1 piece, and 8 pieces variations of all the above options.

3D printer file information

  • 3D design format: STL Folder details Close
    • Printer_Bed_Scraper_Blade_Combo_ABS.stl
    • Printer_Bed_Scraper_Blade_Combo_NoLabel.stl
    • Printer_Bed_Scraper_Blade_Combo_PLA.stl
    • Printer_Bed_Scraper_Blade_Hard_ABS.stl
    • Printer_Bed_Scraper_Blade_Hard_NoLabel.stl
    • Printer_Bed_Scraper_Blade_Hard_PLA.stl
    • Printer_Bed_Scraper_Blade_Soft_ABS.stl
    • Printer_Bed_Scraper_Blade_Soft_NoLabel.stl
    • Printer_Bed_Scraper_Blade_Soft_PLA.stl
    • Printer_Bed_Scraper_Blade_XHard_ABS.stl
    • Printer_Bed_Scraper_Blade_XHard_NoLabel.stl
    • Printer_Bed_Scraper_Blade_XHard_PLA.stl
    • Printer_Bed_Scraper_Handle_v1.stl
    • Printer_Bed_Scraper_Handle_v1_Split.stl
    • Printer_Bed_Scraper_Handle_v2.stl
    • Printer_Bed_Scraper_Handle_v2_Split.stl

    Learn more about the formats

  • Publication date: 2018/03/13 at 16:45





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