BTT HDMI5 v1.2 case and mounting adapter
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Case and mounting adapter for attaching a BTT HDMI5 v1.2 to an Ender 3 V2.
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- Printables
- Kategoria
- Creality Parts & Upgrades
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- Creative Commons — Attribution — Share Alike
Case for the BTT HDMI5 v1.2 touchscreen that can be used with KlipperScreen. Includes a separate mounting adapter compatible with the stock LCD mounting arm for a Creality Ender3 V2.
Description
There are several existing models for the BTT HDMI v1.1. However, v1.2 of the screen has a different port layout where HDMI and USB-C power inputs are on the back of the unit instead of the side. This model is specifically for the BTT HDMI v1.2. Buttons for brightness (+/-), screen rotation, and reset are incorporated into the side and back of the case. Slots in the back of the case can be used for cable management with zip ties.
The screen is attached to the case using 4 M3x6 socket head cap screws. Caps for the screws are recessed using counterbore holes. To print these without support you must enable bridging for counterbore holes in your slicer.
The mounting adapter attaches to the case with 4 M3x8 screws. These screw holes on the case are placed to avoid electronic components of the screen should screws protrude beyond the boss.
Alignment pins on the mounting adapter use a combination of M4 washers and M3x4 screws to keep the assembly on the mounting arm when at rest. The assembly fits loosely and can be removed easily for handheld use.
Printing details
The original print used the following OrcaSlicer settings:
- Filament:
- Type: SUNLU PLA Meta
- Temperature: 195C
- Quality:
- Layer height: 0.2mm
- Nozzle diameter: 0.4mm
- Wall generator: Arachne
- Wall order: Inner/Outer
- Bridge counterbore holes: Partially Bridged
- Strength
- Wall loops: 3
- Top shell layers: 3
- Bottom shell layers: 3
- Sparse infill:
- Density: 10%
- Pattern: Adaptive Cubic
Additional considerations
Design tolerances are tight to ensure function of the case buttons. Some post print modification may be necessary to account for manufacturing variations in the screen dimensions, such as:
- Shimming the mount holes as needed with M3 washers to ensure button alignment
- Running a de-burring tool along the inner top edge of the case to increase tolerance for the glass panel of the screen.
Design
Designed from scratch using a free OnShape account. The design document is publicly available for remix use.
Dimensions were derived from a BTT reference drawing for the HDMI5 v1.2 and real-world measurements.