This item is for use with the #GridFinity system by Zach Freedman: [https://www.youtube.com/watch?v=ra_9zU-mnl8](https://www.youtube.com/watch?v=ra_9zU-mnl8) Hey There! Another #Gridfinity add-on! These parametric lids can be sized to any configuration you desire. Simply enter the slotsWide and slotsDeep numbers and like magic you have a lid for any basket or bin or whatever. A selection of common sizes in STL format included. These should be printed with the top of the lid flat on the bed.