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Tension wrenches

09 Jul, 2015

The street sweeper went by today. That means it's time to start making tension wrenches and picks!


Windshield wipers also make for a good source of material, most have long strips of steel inside.

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03 Jul, 2015

So, I went a little crazy in anticipation of the Jurassic World movie and made a couple of wallpapers...

[caption id="attachment_411" width="300"]Jurassic Park normal Jurassic Park normal[/caption] [caption id="attachment_412" align="aligncenter" width="300"]Jurassic Park rotated Jurassic Park rotated[/caption] [caption id="attachment_415" align="aligncenter" width="300"]Purrassic Park Purrassic Park[/caption] [caption id="attachment_414" align="aligncenter" width="300"]JP Tricera rotated JP Tricera rotated[/caption] [caption id="attachment_413" align="aligncenter" width="300"]JP Tricera normal JP Tricera normal[/caption]

... and I still haven't got around to doing the actual Jurassic World logo. Still, I prefer the old logo, less busy and a lovely combination of red/black/yellow.

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Did you know?

01 Jul, 2015

Did you know? Branches from the, in Sweden common, tree P. tremula pinicillus naturally grow a solid core of graphite. Small twigs can be broken of and sharpened, making a very decent pencil.

Natural pencils

100% natural!

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Visit from a crow

05 Apr, 2015

Last night I spent thirty minutes trying to coax a crow out of the chimney. I wish that was a clever euphemism for something kinky, but no, it involved trying to get a scared, sooty and quite large bird through a small opening in the fireplace. Eventually though, the bird managed to find her way out, and, to our relief, wasn't hurt and could fly away.

Crow wings in soot

There wasn't time to take a picture of the bird. But she did leave her fingerwingprints behind on the ceiling.

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16 Mar, 2015

I was inspired by the fantastic artwork by Simon Stålenhag to trace and make something of the iconic logotype for Televerket. Televerket was the government agency responsible for telecommunications in Sweden up to the early 90's when it was deregulated and made into the corporation Telia.

Televerket distressed

There's a distressed background image (using a texture from Deluzions) (XFC) and a vanilla SVG. with a few variants of the logo.

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King Diamond logo

12 Feb, 2015

I traced the King Diamond logo from a t-shirt, and just for fun, made a desktop background. I aimed for well-worn vintage t-shirt style.

King Diamond Vintage

As usual GIMP XFC and original SVG.

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Key transition

29 Jan, 2015

Hash: SHA256,SHA1
I'm finally transitioning GPG keys from the old 1024-bit DSA format to
a new RSA 4096 key.
The old key is still valid but will be revoked in about six months.
This document is signed by both keys for validation.
My old key is:
pub 1024D/760BDD22 2004-11-15
 Key fingerprint = 0B17 BB7E E46B 7718 58CF 93EC 2784 8491 760B DD22
The new key is:
pub 4096R/6FAB5CD5 2015-01-28
 Key fingerprint = 8EC2 2558 A9A1 57D5 48D5 7994 7CCD 6974 6FAB 5CD5
The new key should already be available on keyservers, and can also be
downloaded here: http://whiz.se/gpg/
The txt version of the transition statement is also available here:
Sven Arvidsson
Version: GnuPG v1

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