As the limited examples of mandalorian art offends me on personal level, I decided to dig deeper in the lore 🤣 Thought it may interest you so sharing what I found so far:
Mandalorian Vault (in which Maul was kept)
(isn't it interesting that Mandalorians decided to decorate something that was used as prison for enemy Force users?)
Marvel Star Wars (1977, issue 68) - Mandalorian camp
Death Watch Manifesto - the mandalorian gods
AotC novel - Jango's tattoos
Jango Fett walked in, dressed in simple shirt and trousers. Obi-Wan
recognized him immediately, though he was many years older than the oldest clone, his face scarred and pitted, and unshaven. His body had thickened with age, but he was still physically imposing, much like many of the old gutter dwellers Obi-Wan encountered in far-flung places. A few extra pounds, sure, but those covered muscles hardened by years of tough living. Tattoos crossed both of Jango's muscular forearms, of a strange design that Obi-Wan did not recognize.
The Old Republic game - daggers
Additional information & observations
Star Wars The Clone Wars Incredible Vehicles stated
Nothing But the Best
Passengers in the Coronet's crown walk through halls fitted with Jakelian tuft-oak, lapis from Draboon, and carpets from the looms of Harswee - the very best the Mandalorian worlds have to offer. Attendants in tasteful livery and servants droids are ready to cater to guests' every need.
From Death Watch Manifesto we learn:
"Remember that some of the greatest Mandalores were born or grew up far from our homeworld. Mandalore the Binder was born the son of a rug weaver on Harswee […]"
According to The Essential Guide to Warfare
"Other worlds were spared: The Jakelians, for one, welcomed their new Mandalorian overlords […]"
"Mandalore the Ultimate's decision swelled the clans' ranks with humans, Mandallians, Jakelians, and other Mandalorian vassals."
The same source (supported by Death Watch Manifesto) mentioned also the social hierarchy in mandalorian society - warriors as the ruling class, supported by farmers, artisans and manufactures.
Which is an interesting detail, because the fancier and detailed craft could be make first by the vassals to ancient Taung-Mandalorian warriors and later by the lower social classes in more modern times? As in, the art was commissioned by warrior clans, kinda like Scythian aristocracy commissioned Greek artisans to produce luxury items for them, leading to a blend their respective styles?
(Personally, I think the original Scytho-Siberian art would fit well Taung-ancient Mandalorians).
The Old Republic game adds to lore with Mandalorian Relics: The Final Blade of Dunesa Rul:
Born on an unremarkable planet in the Outer Rim, the boy who would become Master Dunesa Rul apprenticed with the local metalsmith to provide additional income for his family. Accounts of his early life learning the trade are few, but historians agree that Rul showed exceptional natural skill and quickly outgrew the simple routine of the frontier smithy who taught him.
Seeking more significant challenges, Rul found work at several smithies across the Core Worlds. The quality of his weapons gained recognition among the Mandalorian clans, and with their patronage, he opened his own forge at a remarkably young age.
Rul's creations, prized within the Mandalorians, were often handed down from one clan leader to the next, but demand for new work was overwhelming. Rul was killed in an explosion during an altercation between Clan Mettir and Clan Ironstone, who sought to lay claim to a masterwork weapon--a durasteel dagger--he had created. Both clans were hunted down and destroyed in retaliation for the grievous loss. The dagger itself was never found.
So we have an example of Mandalorian warriors' patronage and punishing those who contributed to the destruction of great quality weapons (art) and artisan.
Also, it is worth to note that Satine and Tal Merrik, the two Mandalorians with ornamented clothes, are part of aristocracy and came from Kalevala. In contrast, lore noted Mandalore is the homeland of Pre Vizsla and Almec and despite their high social & political positions both men wore much simpler outfits than Duchess and Prince. Which frankly seems like a common thing with people of Mandalore who barely use ornaments beside the common pattern resembling mandalorian armor??
Thus I think it is worth to ask, how much common are the patterns seen on Satine's outfits and inside Coronet? Could it be just a specific Kalevala art style?
P.S., your repeating mando patterns look cool!