@luftek Thank you very much for your work. This is very unfortunate, it would be nice if PCB fit into common 1.5mm - 2mm grooves
I am thinking about buying only slightly wider enclosure (there are many similar aluminum enclosures with 70mm - 75mm internal width) and insert blank PCB into it as a pad. LimeSDR board can then be fixed to pad on short spacers with bolts. This seems to be more robust than small pads (one for every bolt) as can be seen on your pictures, I would be afraid that those small pads could accidentally rotate (when inserting it into enclosure) and damage nearby components.
Do you know how long would spacers need to be? What is maximum height of components on bottom side of LimeSDR board?
Also how much space is needed on the back side of front panel for SMA connectors? I am thinking if they can be placed above the board if we use 100mm enclosure or if we need longer (110mm or more) enclosure so there will be enough room for them.
E.g. these enclosures could be used:
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SZOMK AK-C-B15 - one part, internal dimensions: 110mm x 70.1mm x 25.4mm … $10.63 (inc. shipping)
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SZOMK AK-C-C15 - two part, internal dimensions: 100mm x 67mm x 22mm … $10.28 (inc. shipping)
Or if you want to go bigger:
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SZOMK AK-C-C13 - two part, internal dimensions: 110mm x 84.2mm x 34.5mm … $12.50 (free shipping)