Timber bars (Central Toa Payoh)

Need 3pcs of cut timber bar to assemble a table top.
Required measurements 75mm x 50mm x 1.35m.
Self collect
Slight size or length variations may also be able to fix up so long as they can hold up 3 pcs of plywood each measuring 69cm x 49cm. Assembled table top would 69cm x 147cm.
Recycling old cabinet plywood door as table to save the earth. Thanks I'm advance!