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Andy plumped for the last shift of the day with 144017 round Scunthorpe Steel Works and a unique experience of traversing the rails as night fell. We are passing the Con Cast plant at a steady 10mph with maximum concentration on the road ahead. Pacer Driving Experience courtesy of the AFRPS, special thanks extended to Glen & Chris for a wonderful afternoon also Andy for spotting these were running.
Despite similar looks, this tessellation is not Momotani’s Wall — it is a different pattern designed by myself. Its relation to Momotani’s Wall is roughly such as the relation of Pythagorean Tiling to Rectangle and Square Flagstone.
The twists being placed around the rectangle with rotational but without axial symmetry lead to some interesting properties. First, the tessellation is not rectangular, although the staggered rectangles create a roughly rectangular outline whose sides are not parallel to the sides of the bricks. Second, unlike Momotani’s Brick Wall, the bricks in this design can be made with different proportions. The height is always two grid units and the length can be arbitrary as long as it’s at least two grid units. In this fold, the proportions are 3:2. The case with square bricks is the same design as Pythagorean Tiling with 1:1 ratio and the way I came up with the idea for Shifted Bricks was by modifying that model. It is even possible to mix different brick lengths in a single model as long as the length is consistent along each strip of bricks whose top and bottom edges are adjacent.
Shifted Bricks is an iso-area tessellation. In contrast to Momotani’s Wall, the bricks on both sides are parallel rather than perpendicular to each other. The direction of the slant between brick columns is mirrored between the sides. In the pictures you can see that I folded the model in such way that the front side is completely clean while the back side has some visible construction creases. Folding both sides cleanly seems possible for but rather tedious for larger grids (the model shown here is from 32×32 grid).
I will be teaching this model at the online CDO convention this November. If you want to try making a clean fold (with lots of precreasing), you can use the instructions I made available at origami.kosmulski.org/instructions/shifted-bricks
Another shifted composition. This is a side view of the building that once served as the locomotive shops for the Monessen Southwestern Railway.
An unexpected snowfall during peak fall color in Leavenworth, WA makes magic!
See more of my work at www.aaronreedphotography.com
Tilt shift done in photoshop. Original photo taken from the top of the Arc de Triumph. Zoom in for full glory.
Minolta MC 28mm f/3.5 on a Fotodiox tilt/shift adapter, only a few mm of shift used for this one. Preset the focus and walk the tripod to the middle of the road, hit the 2sec timer and watch for cars.
Only my second attempt at tilt shift. I guess it works sort of.
Bottom of the Peruvian lift at Snowbird ski area in Utah.
Often providing great opportunities for photos shift changes on some coal mining operations were exciting places to be. This was Nancheng in Jixi and an Sy is being serviced in the pollution/gloom..
Mini Farm! This is my friend's parent's farm in Upper Michigan, he took it from his airplane and I made it look like a model for him as a gag.
Shift key on a 1947 Smith-Corona Clipper typewriter. "Floating Shift" refers to the mechanism used to shift to uppercase letters. On this machine, the segment (all the typebars and their pivots) moves downward when you push the shift key. On some other machines, the shift is achieved by shifting the entire carriage up, which requires more effort.
I got talking cars tonight... and Lego_Knight and ARA were posting their cars... so here's mine.
...and yes I do somewhat regret not getting a bigger MOC transporter.
...and yes, my hockey gear DOES fit inside (I brought with me for test drives!)
124 in 2024
#14 - Bicycle Parts
Thank you in advance for your views, comments, and faves. They are much appreciated!
My first Tilt-Shift on a picture that I took last year in Italy.
Let me know what do yu think about it.