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Crash Slicer 2.4 beta

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@Theo-Erickson Theo-Erickson released this 06 Aug 02:37
Beta
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CrashSlicer 2.4.0 Beta Release Notes

This release brings seven new features to CrashSlicer, spanning UI polish, gizmo improvements, workflow shortcuts, and an experimental print mode. Full breakdown below.

Updated Animated Print Status Icons

Refreshed the animated status icon set used throughout the slicer to reflect the current mascot notification system. Icons now animate in step with notification severity (hint, info, success, warn, error, fatal), giving a clearer at-a-glance read on what the slicer is telling you.

Dual Axis Move and Scale

OrcaSlicer's Move and Scale gizmos previously supported single axis drags or uniform three axis operations, with nothing in between. This release makes the colored plane squares on the gizmo interactive, matching behavior found in professional 3D tools.

  • Click and hold the XY, XZ, or YZ plane square to lock movement or scaling to that plane
  • The perpendicular axis is left untouched
  • Useful for scaling a model's footprint without changing its height, or sliding an object across a surface without lifting it

Slice Path Preview Player

Toolpath preview no longer requires holding down arrow keys. A floating player panel is now available on the preview screen with full transport control.

  • Small toggle button in the bottom right corner of the preview window opens the panel
  • Five transport controls: jump to previous layer, step one move backward, play or pause, step one move forward, jump to next layer
  • Speed dropdown with 1x, 2x, 4x, and 8x options
  • Two playback modes via radio buttons:
    • XY Path: traces the nozzle across the current layer
    • Layers: sweeps upward through the full layer stack

Plate Position Snapping

Precise plate placement no longer requires typing exact X and Y coordinates. This feature adds a set of predefined snap targets you can jump to instantly.

  • Snap targets: center, X axis, Y axis, and all four plate edges
  • Accessible from a toolbar button or right-click menu
  • Each snap point can be individually toggled in Preferences, so you can disable the ones you don't use
  • Built on OrcaSlicer's existing set_center() and coordinate transform pipeline, no custom positioning logic
  • Works on single objects and multi-object selections; for group selections, the bounding box center of the group is used as the reference, keeping relative positions intact

Quick Position Shift Ticks

When arranging multiple copies of a model, it's common to want to shift one over by exactly its own width or height. This feature adds snap tick marks along each Move gizmo axis based on the selected object's bounding box.

  • Tick categories:
    • Bounding box multiples (1x, 2x, 3x of object width, depth, or height)
    • Plate reference lines (plate edges and center)
    • Plate center
  • Each category can be toggled independently in Preferences, under Gizmo, Snap Ticks
  • Ticks are drawn on the canvas using OpenGL and disappear as soon as the drag ends
  • Snapping triggers when the dragged position comes within a configurable pixel threshold of a tick, with a light highlight circle confirming the snap
  • Click to snap only, no dwell time required

User Model Library

Frequently used models, such as test cubes, calibration prints, and commonly requested parts, no longer require navigating File, Import every time.

  • Point CrashSlicer at any folder on your machine via Preferences
  • Contents appear in a quick access panel, available from the sidebar and the File menu
  • Subfolders appear as collapsible groups
  • Clicking an entry loads the STL or 3MF directly onto the current plate, no file dialog needed
  • Thumbnail preview shown next to each file name when available, rendered from the model's first 3D frame

Part Stacking (Alpha)

An experimental feature for printing multiple copies of the same part using the printer's full build height rather than being limited to the XY footprint.

  • Automatically generates separator geometry between stacked instances
  • Separators are generated as either cylinder primitives assigned to a secondary extruder, or as a Z-gap for single-material setups
  • Each instance is centered and offset in Z by the part height plus separator thickness
  • Number of copies to stack per plate is configurable

Known limitations (Alpha):

  • Works best with flat-bottomed, simple geometry
  • Scaling a stacked group does not correctly rescale Z-offsets; resize your part before stacking, not after
  • Complex overhangs and curved bases may not stack cleanly

As always, feedback and bug reports are welcome via the CrashSlicer GitHub issues page.

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