This is a mount for the HT30 Coolant Flow Sensor from Cloudray.

This is mount can be printed either with or without two WAGA connector mounts for easy connection/disconnection. The body of the mount has holes that line up with the screws on the sensor body so you need to replace the screws that come with the HT30 m4x14 screws that come with the sensor with m4x20 cap screws.

I recommend that you print this in PETG but it will print fine in PLA or PLA+. Use PCTG or some other higher temp allow if you expect the coolant to be warmer than 60C on a regular basis. Print it with 3 walls and 20% infill. If you print the one with the WAGA mounts use snug supports with no interface and a .23 top and bottom gap for PETG or .24 for PCTG. 

Cloudray HT30 Coolant Flow Sensor Mount with optional WAGO 221 Mounts

Cloudray HT30 Coolant Flow Sensor Mount with WAGO 221 Mount.3mf

This is a case for the BIGTREETECH Octopus v1 Mainboard. It includes stl files for the case, both with supports and unsupported, the cover and an optional mounting bracket. 

The case has a cutout that must be removed for the IO ports as well as several cutouts that can be optionally removed to provide cable access to different board locations. The left and bottom of the case include extra space as well as cable guides to help keep things organized.

Let me know your thoughts on the case. I'm very open to ideas of ways to improve it especially from people who print and use it.

Updated 12/24/2021: Added spot tie attachment points to cable guides.

Updated 12/26/2021: Added Extended Cover for use with large heat sinks on driver chips. Also added a tapered channel for the reset button to clear the main board when attaching the cover.

Updated 12/29/2021: I moved the reset button from the covers to a slot I created in the case itself. The reset button is now a separate part that slides into this slot. This allows printing the covers flat with the supports on the inside. I also moved the logos from the back of the case to the sides which allowed me to get rid of the ugly, difficult to remove vertical supports. The vertical Supports version of the Case is now deprecated and does not support the new reset button so you should not print it.

Updated 12/30/2021 - RELEASE CANDIDATE RC1:
Fixed supports around reset button clip. This is the final version unless I, or someone else, find an issue.

Updated 1/5/2022 - RELEASE CANDIDATE 
RC2:
Increased depth of case to provide more room for cables and cooling. Added square nut slots to case cover attachment tabs. Increased number and size of optional cutouts. Inset IO Cutout to make connections to ports easier.

BIGTREETECH Octopus v1 Mainboard Case

Octopus Case Base.3mf

Extended Cover for use with driver chips with larger heatsinks


Octopus_Case_Cover_Extended.3mf

Added version of case with Supports for printing vertically

Octopus_Case_Base_w_Vertical_Printing_Supports.3mf

Added a separate Reset Button that clips into the case rather than being part of the cover

Reset_Button.3mf

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Cloudray HT30 Coolant Flow Sensor Mount with optional WAGO 221 Mounts

BIGTREETECH Octopus v1 Mainboard Case