IKEA Lack Leg joiner when one half or both are hollow
Description
My ongoing Lack enclosure project has now started to focus on the E12 printer. The height of this enclosure is such that I wanted to utilise the cut down legs rather than print off 4 200mm extension pieces. There are many leg joining designs out there but I wanted one that would fit to the bottom of an intact Lack leg but enable a good stable fit of a cut-down leg which will have a hollow end rather than the glued in plug of the standard full length ones. The design allows the fixing of the joiner to the bottom of the full length leg by 4 off No:8 x 1" wood screws (4mm x 25mm equivalent). This gives a good solid fix and the open ended leg (Cut down one in my case), is then slotted over the joiner and secured with 4 x M4 x 15mm countersunk screws. A drilling jig is provided to ensure accurate drilling of the leg to ensure a close tolerance and secure fix. Update. 28.10.20. Added a double ended version for joining two open ended Lack legs after request. Not printed it myself so feedback would be welcome. Drilling jig will still work with it. There's a version 1 and 2. 2nd version has a bit of added surface area at the bottom to improve bed adherence. Embossed "TOP" to help make sure it's the right way up on the bed. Update. 03.11.2021. I've made a set of the leg joiners with a support for enclosure sheeting. Something I found when using two full length Lack legs, is the perspex or foam board sheet used to make the enclosure often bowed in the middle and generally moved around, especially if you have an extractor fan running. The modified leg joiners allow the sheet to be clamped at the interface between the two leg pieces, reducing the bending significantly. They are designed to be compatible with my other enclosure components.
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