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Nexaforge via [aliexpress.us] has Nexaforge 5KG MIX PLA Filament 1.75mm Multicolor Bundle 5-Spools on sale for $38 when you Apply $5 off Coupon at checkout: JJX05D. + Free Shipping from US warehouse.

There are 7 multicolor PLA or PETG 5kg configurations for $38 – $43.

Use $4 off Backup, if needed: VUSHS04 or USHS04