The holder is plugged directly onto the frame of the P1P. No moving parts of the printhead are touched. Of course, the thermometer only makes sense if you use an enclosure for the P1P.

I used this Thermometer:

47mm x 26mm

https://www.amazon.de/dp/B07HNXH8MT?psc=1&ref=ppx_yo2ov_dt_b_product_details

• PLA/PETG/ABS/ASA
• Infill 15-20%
• User Supports
• Print on flat side