Header - search for 2mm, you will find a library of different # of pins of 2mm connectors.
Mix & match to get the total qty needed.
Same with resistor - do a search, then pick the length you want - 2.5mm, 5mm, 7.5mm, 10mm.
Buckpuck - looks like six 0.1" spaced holes, with a 7th 0.2" away?
You can plop them on a schematic, then attach the schematic & board files here.