RogerBW's Blog

Lens-cap holder 28 June 2016

I've designed a lens cap holder for my Lumix GF1. There are many like it, but this one is mine.

The idea is to have somewhere to put the lens cap when it isn't on the front of the lens. The point of making my own is that I can suit it to the specific strap I have on the GF1, which is narrower than most. Also, I wanted the practice – and I suspect the few minutes of design time weren't any longer than it would have taken to trawl through Thingiverse and work out which one was best suited to the job.

Since the shape required is basically a matter of cylinders and the occasional cube, I ran it up in OpenSCAD rather than messing around with Blender (which is hugely powerful, but wilfully obscure as far as user interface goes).

Less than an hour later, it was ready:

If you want one and you're in the UK, I will make it, in your choice of colour, and sell it to you for 21p (plus any postage). If you want one customised, give me a shout and we'll work something out.

I should probably get an Etsy shop or some such, though at a low price like this the Etsy fees would more than triple the total cost. Maybe that's why people charge five quid for them on Etsy, and then decorate them to justify the price. Or maybe I should use Shapeways, where they seem to go for £10+, but that means PayPal…


  1. Posted by Michael Cule at 10:50am on 28 June 2016

    And there I was at the barbeque on Saturday thinking:

    "I didn't know Roger was that big an X-Men fan..."

  2. Posted by RogerBW at 11:04am on 28 June 2016

    I think I've heard of them. Weren't they the ones who got terribly angsty?

  3. Posted by Michael Cule at 08:11pm on 28 June 2016

    They are the superheroes who are never allowed to have anything nice happen to them.

  4. Posted by Owen Smith at 12:01am on 29 June 2016

    I put the lens cap in my pocket when it's not on the lens. Given I carry three lenses all with different size lens caps, one lens cap holder would struggle to be as flexible.

    I favour wider straps. Narrow ones make the camera a chore to wear for a day when on holiday as it scythes its way through my shoulders and/or neck. I'm using the strap that came with my DSLR because it's wider than the skinny strap that came with my current camera (Olympus E-M10).

  5. Posted by RogerBW at 08:27am on 29 June 2016

    That's fine if you always have pockets that are readily available, secure, and unoccupied by other things. I usually don't. And a strap need not be of constant width.

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