在 3D 打印的世界里，打印机只是执行者，而真正决定打印成败、精度与效率的，是背后的大脑 —— 切片软件。它将三维模型转化为打印机可识别的指令代码（G-code）。

作为该领域的绝对王者，Ultimaker Cura 凭借其开源、免费且功能强大的特性，占据了全球数百万用户的桌面。2026 年，随着 Cura 5.12 版本的发布，这款老牌软件再次刷新了行业标准，将人工智能算法与极致的工作流体验完美融合，让无论是新手还是资深极客都能轻松驾驭复杂的打印任务。

Ultimaker Cura 中文版

什么是 Ultimaker Cura？

Ultimaker Cura 是由荷兰 3D 打印巨头 Ultimaker 开发的开源切片软件。它支持超过 400 种 3D 打印机和数千种耗材，是全球兼容性最强、用户基数最大的切片工具。

更智能的支撑生成算法
支撑结构一直是 3D 打印的痛点：难拆除、留痕迹、耗材料。Cura 进一步优化了其树状支撑和正常支撑的逻辑。
自适应接触点：算法能更精准地判断模型悬垂角度，仅在必要处生成支撑，减少接触面积。
拆除体验升级：优化了支撑与模型的连接界面，使得支撑更容易剥离，大幅减少后期打磨时间。
节省材料：据测试，在复杂模型上，新版支撑算法可节省高达 15%-20% 的支撑材料。

增强的切片引擎性能
面对高分辨率模型（如数千万个三角面片），旧版本往往显得力不从心。5.12 版本对底层切片引擎进行了重构：
速度提升：大型模型的切片计算速度显著提升，等待时间缩短 30% 以上。
内存优化：降低了高复杂度模型处理时的内存占用，防止软件崩溃。
路径规划：更平滑的移动路径，减少了打印头的急停急转，提升表面光洁度。

工作流与用户体验 (UX) 改进
Cura 继续贯彻“直观易用”的设计理念：
自定义视图增强：用户可以更灵活地定制图层视图，通过颜色映射快速发现潜在问题（如壁厚过薄、悬垂过大）。
配置文件管理：改进了打印机和耗材配置文件的导入/导出逻辑，方便团队共享设置。
错误提示智能化：当检测到模型无法打印或设置冲突时，提供更明确的修复建议，而非晦涩的错误代码。

广泛的硬件与耗材支持
作为行业标准，Cura 持续扩充其设备库：
新增打印机配置文件：涵盖了最新发布的 Creality, Prusa, Bambu Lab (通过插件), Anycubic 等品牌的新机型。
耗材数据库更新：集成了更多第三方耗材厂商的详细打印参数（温度、流速、冷却策略）。

为什么选择 Cura？

对比其他切片软件 Cura 拥有更庞大的插件生态和更友好的新手引导界面，PrusaSlicer 在某些特定功能（如有机支撑）上各有千秋，但 Cura 的通用性更强。Cura 免费且功能已足以媲美甚至超越许多付费软件，且更新频率更高。厂家软件通常功能简陋且仅支持自家机器，Cura 则提供了深度自定义和专业级控制。

Ultimaker Cura 再次证明了其作为 3D 打印软件领导者的地位。它不仅是一个工具，更是一个不断进化的生态系统。无论你是刚刚购买第一台 3D 打印机的爱好者，还是管理着数十台设备的工程师，Cura 都能提供可靠、高效且智能的解决方案。

官方主页

What’s new in Ultimaker Cura 5.13.0
Mar 30, 2026
New Settings:
Introduced Infill Start/End Preference settings that give control over the starting location of infill
Added Support Infill option “Lightning”, and in addition the following supporting settings: Support Lightning Angle, Support Lightning Overhang Angle, Support Lightning Prune Angle, and Support Lightning Straightening Angle, which together allow you to add and control lightning infill generated for support structures
The Support Infill Line Multiplier has been introduced to increase the quantity of infill lines. When an even number of lines is specified through this setting and paired with lightning support, it produces a single extrusion line for each island
Introduced Minimum Hole Area in Brim Support, which filters out small holes in the support brim, resulting in a more consistent brim
Added Temperature Delta Top Surface, which allows you to print top surfaces at a different temperature
Added more options to Retract Before Outer Wall to give more control over retraction behavior when traveling to the outer wall
Added Initial Layer Wall Ordering which gives control over the order in which the walls are printed for the initial layer, contributed by HellAholic
Bug fixes:
Support blockers now function correctly even when assigned to a disabled extruder; they no longer cause slicing conflicts and continue to effectively block support
Fixed an issue where thin support structures would be generated within tree support
Fixed an issue where the tree support interface layer would be missing
Randomized infill now also works for infill skin support
Fixed an issue where Keep or Discard profile user preference would be ignored
Overhanging wall speed was previously applied too aggressively, resulting in extremely slow printing in overhanging areas
Travel speed was applied to layer switches, resulting in high-speed Z-travels
Fixed an issue where certain 3MF files would incorrectly load with an invalid setting configuration
Fixed an issue where certain setting combinations would skip parts of the skin and walls sections
Resolved an issue where slicing would fail when both Raft build plate adhesion and Support Lightning Infill were enabled
Fixed an issue where overhang speed would be applied inconsistently when both Split Infill and Overhang Speed settings were enabled
Fixed an issue where the profile has changes notification would overlap with UI elements
Fixed an issue where certain setting configurations would cause a large amount of small line segments to be generated for the prime tower
Fixed an issue where clicking the “Sign in to Digital Factory” button twice would fail to log in
Printer definitions, profiles and materials:
Updated high-speed S-Line profiles to improve tree support strength and improved seam behavior by ending infill close to the seam and traveling to the seam unretracted
Improved material detection for Method line printers to automatically select support material for the raft interface
Automatically disable Infill Skin Support if Gradual Infill Steps is enabled, since these are conflicting settings, contributed by HellAholic

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