Building a brighter tomorrow with LEGO® bricks

California Republic Flag

For this year’s Bricks by the Bay LEGO convention, which had the theme “California Dreamin’,” I built a model of the California state flag.


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My California flag on display at Bricks by the Bay 2017

My California flag on display at Bricks by the Bay 2017

The flag of California consists of a white background with brown grizzly bear walking across a green meadow, a red star in the corner, a red stripe at the bottom, and the words “CALIFORNIA REPUBLIC” in block lettering above the red stripe.


Cached: https://upload.wikimedia.org/wikipedia/commons/thumb/0/01/Flag_of_California.svg/900px-Flag_of_California.svg.png

I looked up the dimensions of the flag components online, and did the rough design for the flag using LDraw software, but didn’t design the details of the bear or the grass in software – just flat brown and green – or include details about the star.


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Preliminary work was done in LDraw, but the details of the grass and the bear were done freehand while building it.

Preliminary work was done in LDraw, but the details of the grass and the bear were done freehand while building it.

The star was probably the hardest part. It’s not easy to do 5-way symmetry in LEGO! I accomplished it by using hinges and only attaching it by one stud so that the points can be adjusted. To cover the center part, a red 4×4 radar dish is mounted separately to the background via a round 1×1 brick.


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5-pointed symmetry isn't easy in LEGO. 5-pointed symmetry isn't easy in LEGO. 5-pointed symmetry isn't easy in LEGO.
5-pointed symmetry isn't easy in LEGO.5-pointed symmetry isn't easy in LEGO.5-pointed symmetry isn't easy in LEGO.

As for the lettering, most of it is pretty simple. I made extensive use of the Brick, Modified Facet 2 x 2 for the beveled edges of the letters. The real flag has dark brown letters but I went with black as I didn’t think I’d find enough LEGO dark brown parts. However there were a couple of trickier letters, such as A and N, that I had to get creative with:


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Lettering on the California flag Lettering on the California flag
Lettering on the California flagLettering on the California flag

But the big star of the show is the bear of course. He’s several plates thick, standing out from the smooth white background, and is made entirely of brown and tan plates except for the eye, teeth, and claws. Like the real flag, the left front paw has no visible claws, and also like the real flag, he’s walking very unnaturally with the left front and back paws moving forward and the two right paws behind; almost all mammals walk with the left front and right rear paws moving forward together, and the right front with the left rear. The artist doing the flag didn’t do a great job, but that’s not my fault! Here you can see the flag at an angle, showing the depth a bit:


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My California flag as part of the BayLUG display at East Bay Mini Maker Faire 2017 in Oakland, California

My California flag as part of the BayLUG display at East Bay Mini Maker Faire 2017 in Oakland, California

Besides Bricks by the Bay, the flag has been displayed at the BayLUG meeting in September, and as part of BayLUG’s exhibit at the East Bay Mini Maker Faire in October. The club is having a month-long show from December through January at the Museum of American Heritage in Palo Alto, and it will be displayed there. Come check us out every Friday through Sunday there – details at www.baylug.org.


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California flag at BBTB 2017 California flag at BBTB 2017 California flag and Kermit at BBTB 2017 My models @ BayLUG Sep 2017 Meeting California flag @ BayLUG Sep 2017 Meeting
My Models @ EBMMF 2017 California flag @ EBMMF 2017 California flag @ EBMMF 2017 California Flag Parts A Star Is Born
A Star Is Born A Star Is Born Flag design in LDraw California Flag Lettering California Flag Lettering
CA Flag at BayLUG MoAH Setup BayLUG Maker Faire 2018 058 BayLUG Maker Faire 2018 057 BayLUG Maker Faire 2018 056 BBTB 2018 by Rosa 20
California flag at BBTB 2017California flag at BBTB 2017California flag and Kermit at BBTB 2017My models @ BayLUG Sep 2017 MeetingCalifornia flag @ BayLUG Sep 2017 MeetingMy Models @ EBMMF 2017California flag @ EBMMF 2017California flag @ EBMMF 2017California Flag PartsA Star Is BornA Star Is BornA Star Is BornFlag design in LDrawCalifornia Flag LetteringCalifornia Flag LetteringCA Flag at BayLUG MoAH SetupBayLUG Maker Faire 2018 058BayLUG Maker Faire 2018 057BayLUG Maker Faire 2018 056BBTB 2018 by Rosa 20BBTB 2020 MOCs 16BBTB 2020 MOCs 14

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