Motorized Marble Lift (v4a) - simpler design

Motorized Marble Lift (v4a) - simpler design

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Print Profile(5)

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P1S
P1P
X1
X1 Carbon
X1E
A1
A1 mini

0.2mm layer - AMS
0.2mm layer - AMS
Designer
7.6 h
5 plates
4.7(7)

NO AMS - external spool
NO AMS - external spool
Designer
7.5 h
5 plates
5.0(1)

A1 mini - AMS
A1 mini - AMS
Designer
7.5 h
5 plates
5.0(1)

A1 mini -  no AMS
A1 mini - no AMS
Designer
7.3 h
5 plates
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Open in Bambu Studio
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Released

Description

Electric Marble Lift V4a – Endless Motion, Simplified!

Take your marble runs to the next level with the Electric Marble Lift V4a! This upgraded version makes continuous fun easier than ever by transporting marbles back to the top for uninterrupted action.  

Based on feedback from the community, the V4a is a streamlined upgrade to the original V4 lift. With a reduced number of parts and simplified assembly, this version is faster and easier to build. Now requiring just 10 parts + 12 pins, the V4a ensures that creating your lift is a breeze!  

Key Features: 

  • Simplified Design: The V4a improves on the V4 by reducing complexity and cutting down the number of parts needed.  
  • Motor Compatibility: Supports both N20 and N30 motors, with separate plates for each option.  
  • USB Power Convenience: Power the lift with a USB cable and switch, allowing you to use a power bank or adapter and easily control it with a simple toggle.  
  • Adjustable Exit Heights: Standing 225mm tall, the lift includes multiple exit points spaced every 30mm for maximum flexibility in your marble run designs.  

Whether you’re building from scratch or upgrading an existing setup, the V4a brings effortless automation and endless fun to your marble runs.  

 

Print it, assemble it, and let the marbles roll forever!

Bill of Materials

List other parts
  • N30 - 100rpm - 6V - reduction motor x 1
  • N20 - 100rpm - 6v - reduction motor x 1: N30 is preferred but N20 also works
  • 5V USB-A extension cord - 2 wire - with switch x 1

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Comment & Rating (32)

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Print Profile
A1 mini - AMS
I used the version for the A1 mini (split coil). Superb fit! My print modifications: * Base split into two print beds: lower and upper. Lower printed as specified. Upper: Columns positioned closer together, so the brims combine into one large brim => more stable print on the A1 mini (bed slinger). * Pins printed at a reduced speed, as they kept detaching. Motor still missing - therefore assembly only indicated :)
The designer has replied
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thanks for posting your make! like the sparkle filament 👍 I’ll check if I can incorporate some improvements to the profiles as you have described. thanks for the suggestions and happy marble’ing when the motor arrives!
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Thank you very much for the cool Electric Marble Lift V4a! This video shows the version I printed today and it works perfect! https://youtu.be/mAe9xNCIG0M Ingmar
(Edited)
The designer has replied
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thanks for the promotional video! hope you’ll enjoy the lift!
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Boosted
Print Profile
0.2mm layer - AMS
I already planned to print the V4 for this weekend, but luckily i discovered the V4a 2 days ago. Smooth printing and easy to assemble. Many thanks for this great design. I have choosen a N20 6V 50RPM motor and a 4xAA battery box with a switch, which brings more action into the marble run and is more easy to integrate in any Gravitrax structure and hight level. @JDOsolutions Are the parts from the V4 compatible with the V4a ?
The designer has replied
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yes the parts are compatible since it’s basically the same design. I only combined some of the parts to make it print with less parts 👍
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Boosted
Print Profile
0.2mm layer - AMS
Super easy print, thanks for bringing the model to MakerWorld! Looking very nice, feel robust and stable. I'll update the comment after I'll have completed the assembly and some first few use. Cheers!
The designer has replied
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glad you like it! thanks for the first make! Enjoy the lift
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Print Profile
0.2mm layer - AMS
Prints and assembles perfectly A truly delightful addition to my track
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Hello @JDOsolutions The model looks fantastic and I would love to print it for my daughter Unfortunately I only have an A1 mini—the large spiral coil is too tall for it Would it be possible for you to offer it in two stackable parts so that printing it on an A1 mini would be feasible That would be incredibly kind Best regards Sascha
The designer has replied
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hi Sascha, I’ll update the design to also include a coil which comes in two pieces. I’ll try to upload this somewhere in the coming two weeks. best regards!
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Replying to @JDOsolutions :
Fantastic! Many, many thanks! We are delighted :)
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Replying to @DerSoUndSo :
I've added two extra profiles for the A1 mini - one with AMS and one without. Enjoy the lift! And please post a make, I'd love to see how they turned out :)
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Excited to print & build this with my grandson! Question: v3 specifies N20 motor at 30RPM, but here, v4a, 100RPM is specified?? I just want to make sure I get the correct motor speed. Thank you for an awesome design!
The designer has replied
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Hi, thanks for reaching out, basically the lower the RPM the more torque the motor will deliver. So it's a balance between speed and torque (higher torque will handle more balls better). I found that the 30rpm was very slow, so recently I'm using 100rpm. I guess if you want to be safe, use a 60rpm motor, but 100rpm should work fine for most purposes.
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Replying to @JDOsolutions :
Thank you for the helpful explanation!! And for your awesome "elevator".
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Print Profile
0.2mm layer - AMS
The designer has replied
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hi, thanks for your rating, do you have any recommendations what could be improved?
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Replying to @JDOsolutions :
a thin hexagon plate (5mm) with hole and slot under the tower, would be helpful to lead the cables from the engine in a defined position and stabelize the standing of the tower. thank you.
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Replying to @user_1683388482 :
I don’t understand, there is a hexagon tile called the “ring” which should be glued to the bottom. it helps to guide the cable in the slot in the base and connects the tower in the ground plate. what do you mean with the plate in your comment?
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Pin File seems to be broken. Can not load.
The designer has replied
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Hi, thanks for letting me know! I've updated the pin file
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Boosting up-front printing as you were so kind to create the profile for the A1 mini - I really appreciate that! Will let you know how the print turned out. :)
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