Strong tablet holder (Mech Arm system)

Tablet holder designed for Mech Arm holding system.New Improvements:up to 240mm work place.stronger and more durable structure.new design of top holder element.Boost MePerviose model:https://makerworld.com/en/models/578783#profileId-499520Additional screw and nuts here: https://makerworld.com/en/models/518782#profileId-448337Mech Arm Railway systemhttps://makerworld.com/en/models/679425#profileId-607682