A generic IKEA VÄXER rockwool plug holder for containers with a flat top or lid. As in my other designs the bottom of the plug holder is open to allow easier insertion of already rooted plants together with the angled design for printing without supports. Two variants are supplied, a narrow and deep version which sits flush with the top of the container and a larger one which mounts above the container with a lager opening that can be filled with suitable pellets/stones for additional support of the plant.