BBC Sky at Night Magazine

Step by step

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Step 1

After carefully marking out the parts, use a saw to cut them to size. You can use the downloadab­le templates at https://bit. ly/2AQy5fF to help you get the angles right. If you have access to a chop saw you could save some time here. Check the similar pieces match.

Step 2

Drill the 10mm holes in one example of each part. Use this to transfer markings to the correspond­ing parts. You can line up the parts with the ‘master’ on top, then put a bolt in the hole and strike it with a hammer, denting the one below.

Step 3

Once all the timber is cut, sand any rough edges and check it all fits together. If the holes are tight you can ‘waggle’ the drill or re-drill them using a 10.5mm bit. Now is a good time to paint the wood with preservati­ve stain.

Step 4

Bolt the three triangular leg frames together. Each short ‘foot’ section should be fixed between the two leg struts with long woodscrews once you have aligned the other elements. Fix a pair of hinges to each frame, then join all three frames to form the tripod.

Step 5

Mark out the plywood hexagons. Drill a centre hole in each and a second hole near to one corner, then use small bolts or dowels to hold the layers together before cutting – this ensures replica shapes. Screw one fixed top plate to the tripod and add plywood lips.

Step 6

Measure your mount. Cut a suitable hole in a removable top plate. Glue a block of hardwood or similar into a notch to form a pin for the alignment screws. Screw a second thin layer of ply (with a central hole for the fixing screw) to the underside.

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