Step 4Building the monocle
Then it was back to paper and PVA, building around the paper & plastic. The purpose of this was to define the basic shape, and provide a base for the outer finish.
To mount the laser I made a tight fitting tube from paper (based upon the cardboard tube from a Brother Thermal-Fax roll, which is co-incidentally the same diameter @ 19 mm). The laser was attached with filler, holding in place as for the main TV tube piece to ensure correct alignment. The beam hits the centre of vision at around 12'.
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