I love Larrym95's grand piano model, but the model is incomplete (no hinges, no wheels, etc.) and the designer isn't responding. So I took things in my own hands and revised the model to feature fully printed moving parts. I also made numerous improvements and fixes. The model is now nearly perfect. I also borrowed a piano bench from robertkyu.
Printing instruction:
The model should be printed in PLA in four colors: black keys, white keys, paint color (usually black or white, but you can be creative), silk copper, and wood color (you can also use food PLA but I'm not a big fan of the stringy brittle filament). A few parts should be printed multiple copies as indicated in the part names. I list the silk copper and wood color parts below; the rest are black, white and paint (either black or white or any color of your choice):
Wood color: sound board, bridge
Silk copper: brace, pedal rods, pedals, plates, wheels
I also include my printing layout files in 3MF for a black piano at 85% size for my Prusa i3 MK2S. There are two files for black, one for copper and one for wood. White is not included because there is only one part (white keys).
The case is the longest part at 289mm. If your printer bed is not large enough, you can scale everything down, but I highly recommend printing as large as possible. I printed at 85% limited by my 250mm bed. The printed hinges may become fused if you scale down too much. Layer height of 0.15mm or lower is recommended. If scaled down to 80% or below, 0.1mm layer height is recommended.
Most parts must be printed without support. The three exceptions are the case (for one horizontal board), the wheels (support everywhere) and the bench (support touching bed only). The case has two patches at the front to prevent peeling. Cut them clean after printing.
Assembly will take a bit of thinking. I included some pictures as guidelines. Glue is needed. I recommend shoe glue (E6000) over super glue because the super glue vapor may smoke your black part white. If this happens, a bit of body lotion or cream will remove the white mark.
In general, assemble in the following order: assemble the sound board, glue the sound board into the case, glue on the plate and brace onto the sound board, install the lid and key lid, assemble the keyboard, glue the bottom and keyboard, glue the bottom parts (legs, wheels, pedals, etc.), install the music rack.
Print & enjoy! BTW I'm open to commissions on making this model.
Print instructions
Category: Music Print Settings
Printer Brand: Prusa
Printer: i3 MK2S
Rafts: No
Resolution: 0.15mm
Infill: 15%
Filament: Any PLA black, white, silk copper, wood color
Grand piano with moving parts
by icefox · original on Printables ↗
Hobby & Makers / Music
♥ 202⬇ 1.2k🖨 8 prints
Print profiles
large_display_key_lid_19880.stlDEFAULT
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large_display_lid_drop_19880.stl
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large_display_wheel_x3_19880.stl
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large_display_keys_white_19880.stl
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large_display_keys_black_19880.stl
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large_display_sound_board_19880.stl
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large_display_music_rack_1_19880.stl
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large_display_leg_x3_19880.stl
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large_display_bridge_19880.stl
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large_display_bottom_front_19880.stl
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large_display_pedal_bar_x2_19880.stl
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large_display_lid_rim_19880.stl
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small_display_orionfloor_003.obj
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copper.3mf
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pedals.stl
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wood.3mf
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bottom_back.stl
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music_rack_1.stl
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lid.stl
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lid_drop.stl
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bench.stl
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pedal_bar_x2.stl
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music_rack2.stl
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case.stl
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bridge.stl
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black1.3mf
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key_lid.stl
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leg_x3.stl
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sound_board.stl
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black2.3mf
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pedal_base.stl
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key_frame.stl
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lid_rim.stl
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keys_black.stl
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music_rack3.stl
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brace.stl
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plate_1.stl
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bottom_front.stl
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plate_2.stl
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wheel_x3.stl
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keys_white.stl
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