Custom Length Aluminum Extrusions 2020/3030/4040

This customizable aluminum extrusion model includes three common profile sizes: 2020 3030 4040 Each profile is modeled according to the dimensions and proportions of real standard aluminum extrusions, including the outer size, slot layout, wall structure, and internal cross-section details. They are not simplified decorative shapes and can be used for accurate scale models, assembly planning, and prototype design. The extrusion length can be customized to match different projects. Simply select the required profile size and enter the desired length. Features: Based on real standard aluminum extrusion dimensions Accurate 2020, 3030, and 4040 profile geometry Customizable extrusion length Detailed T-slot and internal cross-section structure Suitable for mechanical prototypes and assembly planning Useful for scale models, miniatures, displays, and DIY projects Easy to print No AMS required No supports required when printed vertically For the Bambu Lab A1 mini, a maximum length of around 175 mm is recommended to leave a small safety margin within the 180 mm build height.