Its a holder for the cheap laser measurement tool which can cheaply bought on ebay/aliexpress.
Printed standing up, no support needed.
Printed in DasFilament BluePearl PLA with a 0,4mm CHT Nozzle and 0,2mm Layer Height on the Prusa Mini+
This is part of my Desk Organizer Collection.
The author marked this model as their own original creation.