These files are for the Tevo Little Monster. It is a 9 arm design for more rigidity and direct drive
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updated November 12, 2023

Description

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The TLM is a good delta printer, but uses a bowden system. I wanted to improve the printing capability by making it direct drive.

To do this, the effector arms needed improvement to handle the inertia of the hot end assembly and extruder.

Adding 3rd arms to each tower made a big difference. The arms are easy to make using lengths of 6mm x 4mm carbon tube and 4mm rose joints from eBay.

Cut the tubes to match the existing arms. insert rose joints into each end with araldite glue applied (the original, not the 5min glue). Then use two 4mm rods to slide through the rose joints of a couple of existing arms, with the new arms between them. This will ensure the new arms are exactly the same length as the existing ones. Wait for the glue to set thoroughly.

Print the effector using support from bed only. Set the support overhang angle to 60deg (30 for Bambu slicer). Place the 3 legs on the build surface. It is designed with a snap-out part for supporting the hot end collar. Don't add any other support! All other parts don't need support. Use common sense when orientating the parts on the bed for printing so no support is needed.

1 of each part except the ‘3rd arm mount’ which you need 3 off.

All parts printed in ABS or PETG. 0.2mm layer height, except the cooling duct. This could be printed @ 0.2mm but better with finer layer height.

Constructive feedback welcomed.

I will be adding the complete enclosure files later, which make for better printing of ABS etc.

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