Release Notes

Firmware 1.13.5 - April 25, 2017

Firmware 1.13.4 - April 19, 2017

  • Resolved a bug where the touchscreen might falsely report difficulty dispensing resin into a new resin tank
  • Resolved a rare bug where printer correction for laser drift was not calculated correctly
  • Improved detection for resin tanks and resin cartridges

PreForm 2.11.1 - April 11, 2017

  • Updated material (Tough v4) for Form 2 and Form 1+
    • Tough Resin FLTOTL04 (0.05, 0.1 mm)
  • Fix problem reading and writing FORM files to paths containing unicode characters on Windows.
  • Fix problem where SSL connections would fail on 32 bit Windows.

PreForm 2.11.0 - March 14, 2017

  • Improved calculation of a model's estimated Printability: the red shading has improved, and Printability can now be checked from the toolbar at any time
  • Faster detection and prioritized visibility of printers with previous print uploads
  • New FORM file format
    • FORM files saved with PreForm 2.11.0 cannot be opened by earlier versions of PreForm
    • PreForm 2.11.0 can still open FORM files created in earlier versions of PreForm
  • Improved wiper routine to reduce noise and ensure uniform resin temperature

Firmware 1.12.11 - March 3, 2017

  • Fixes an issue where Z-axis fine tuning wouldn't work in some cases

Firmware 1.12.10 - February 16, 2017

  • NOTE: Due to some hardware changes at the factory, this firmware cannot be downgraded to previous firmwares.
  • Support for some factory changes on new printers.
  • Disable resin dispense on last layer of print
  • Prevent extra laser iterations on first layer
  • Minor bug fixes.

PreForm 2.10.3 - January 31, 2017

  • New material (Durable v1) for Form 2
    • Durable Resin FLDUCL01 (0.05, 0.1 mm)

Firmware 1.11.9 - January 31, 2017

  • Updated material icons to reflect newly announced resins

PreForm 2.10.2 - January 5, 2017

  • New material (Grey v3) for Form 2 and Form 1+
    • Grey Resin FLGPGR03 (0.025, 0.05, 0.1 mm)

Firmware 1.11.8 - January 5, 2017

  • Updated material icons to reflect newly announced resins

PreForm 2.10.1 - December 19, 2016

  • Fixed crashes due to small features; previously some very thin/small models could cause a crash
  • Fixed automatic firmware updates; the “Automatic Update” option previously did not function
  • Resolved issue where PreForm originally opened off the visible screen
  • Resolved issue where PreForm previously would not start for some versions of Windows drivers for certain Intel graphics chipsets

Firmware 1.11.7 - December 19, 2016

  • Fixed a bug where a USB file upload could fail if the USB was disconnected during the previous upload.
  • Based on user feedback, clarified the wording of some touchscreen messages, including: Printer Tilted, Resin Sensor Error, and Cartridge Dispense Error

PreForm 2.10.0 - December 7, 2016

  • When re-opening the application, PreForm now remembers its window placement and size.
  • Users can toggle data collection by opening a new menu item: “Help > Help Improve PreForm…”. This was previously available only on the first PreForm installation.
  • Toggle the visibility of the manipulator feature, introduced in PreForm 2.8, by opening the menu: View > Show/Hide Manipulators
  • Restored visual highlighting when hovering over models
  • Improved surface finish for flat bottom surfaces. This is most noticeable when you have a large flat surface parallel to the build platform.
  • Better print output for very small positive geometries (e.g. thin, extruded text).
  • Better printed feature visibility for Form 2 prints with the following print settings:
    • Clear Resin, 0.1 mm layer height: FLGPCL02_100
    • Black Resin, 0.1 mm layer height: FLGPBK02_100
    • Castable Resin, 0.025 mm layer height: FLCABL01_25
  • For Windows machines, improved appearance on High DPI displays: where UI elements were previously small, PreForm now displays them at the correct size
  • For macOS Sierra machines, PreForm properly retains the list of recent files and printers recently added by IP address. This PreForm fix was necessary after changes included in Sierra’s release, and other operating systems were not affected.

PreForm 2.9.1 - November 1, 2016

  • Fixed an issue where PreForm 2.9.0 did not properly apply X/Y scale fine tuning to Form 1 and Form 1+ prints.

Firmware 1.10.4 - November 1, 2016

  • Fixed an issue where opening and closing the cover could cause the laser not to resume properly

PreForm 2.9 - October 26, 2016

  • Support for engineering resins for Form 2 and Form 1+
    • High Temp Resin FLHTAM01 (0.025, 0.05, 0.1 mm)
    • Tough Resin FLTOTL03 (0.05, 0.1 mm)
  • Log some new UI actions (e.g. button clicks) to aggregate data about the most-used parts of PreForm
  • Slicer controls added to the View menu

Firmware 1.10 - October 26, 2016

  • Restored the heater set-point for general purpose resins to 35C.
  • Better handling of tank detection

PreForm 2.8 - September 28, 2016

  • Revised print settings improve smoothness on the top surfaces of prints
  • New controls for configuring prints: as an alternative to the toolbar options, “manipulators” allow you to directly rotate, translate, and scale your models

Firmware 1.9 - September 28, 2016

  • Wi-Fi passwords are now masked (displayed with all asterisks) on the touchscreen
  • Improved reliability for Form 2 printers connected to Wi-Fi networks with multiple access points

PreForm 2.7.1 - September 6, 2016

  • Improved support rafts for Castable Resin FLCABL02 of the Form 2 for better adherence to the build platform

PreForm 2.7 - August 29, 2016


  • New shortcut: typing “tab” on the keyboard switches the selected model
  • Mac OS displays thumbnail preview images for .form files saved from PreForm 2.7
  • Minimum support Point Size is reduced from 0.40 to 0.30 mm, with a warning

Print improvements:

  • Faster base and support printing comes to Form 1 and Form 1+
  • For 0.025 and 0.05 mm layer thickness settings, bases and supports print with 0.1 mm layers
  • Lowered start times for general purpose resins by reducing the minimum start temperature to 25C and lower printing setpoint of 31C. This does not affect functional resins.

PreForm’s printers list:

  • Displays printer status and details about the installed resin cartridge and tank
  • Allows directly downloading logs from non-network-connected Form 2 printers

Bug fixes:

  • Restored ability to select models by clicking on supports
  • Fixes to some issues with illogical support placement

Firmware 1.8 - August 29, 2016

  • Due to hardware compatibility, printers on firmware version 1.8 cannot be downgraded to earlier firmware versions.
  • Introduces X/Y Fine Tuning to offer ±5% scaling for X and Y axes on the build platform
  • Enhances printer accuracy by accounting for laser drift & temperature changes
  • Supports improvements to Printers list functionality in PreForm 2.7
  • Supports resin tank tracking for Dashboard

PreForm 2.6.1 - August 9, 2016

  • Improved White Resin for the Form 1+ and Form 2
    • White Resin FLGPWH02 (0.05, 0.1 mm)

PreForm 2.6.0 - July 19, 2016

  • Layer height optimization (Form 2)
    • Print layers with only support structures in 100 micron resolution
  • Connectivity improvements
    • Faster uploads
    • More stable printer connection over USB
    • Better printer discovery & management
    • If an uploading print is interrupted, PreForm will automatically try to reconnect & resume the upload.
  • Drag and drop firmware onto firmware update dialog

Firmware 1.7 - July 19, 2016

When updating to this firmware version, all prints will be automatically deleted from the printer.

  • Connectivity improvements
    • Support for recovering from broken connections
    • More stable printer connection over USB
    • Faster uploads
  • Ability to set static IP from the printer UI

PreForm 2.5.0 - June 13, 2016

  • New material for the Form 2 and Form 1+
    • Castable Resin FLCABL02 (0.025, 0.05, 0.1 mm)
  • Support improvements
    • Stiffer supports
    • Narrower pillars
    • Pillars taper along their whole length for increased sturdiness and ease of removal
  • Improved surface finish on early layers for Black, Clear, and Grey Form 2 materials
  • Improved routine between layers for better print quality

Firmware 1.6 - June 13, 2016

  • UI Improvements
    • Speed up screen transitions
    • Display resin version numbers
  • Detect failed prints due to hard reset
  • Added debugging for laser paths

PreForm 2.4.1 - May 30, 2016

  • Fix an issue where support “Point Size” slider would default to the minimum value

PreForm 2.4.0 - May 20, 2016

  • New material for the Form 2
    • Black Resin FLGPBK02 (0.025 mm)
  • New button to remove current supports
  • Opening double-clicking stl, obj, or Form files when PreForm is running opens them in that running instance rather than launching a second PreForm
  • PreForm now translated to Traditional Chinese
  • Updated Japanese translations
  • Sample model file once again loads properly on first launch
  • Tweaked aspects of support generation
  • Slice view renders slightly faster
  • Improved model placement when importing to PreForm
  • UI text adjustments

Firmware 1.5 - May 20, 2016

  • When updating to this firmware version, all prints will be automatically deleted from the printer.
  • Redesigned touchscreen interface to focus on current print job and centralize menus
  • Printer now able to report data to Dashboard’s new Materials Manager feature
  • Improved Wi-Fi performance for connection strength and reliability
  • More timely and accurate warning messages for empty resin cartridges
  • Printer now displays message during factory reset
  • Improved logging to track errors with Wi-Fi and PreForm communication
  • Fixed bug where a completed upload may have been marked incomplete
  • Improved touchscreen (or “display”) reliability by resolving intermittent static

PreForm 2.3.3

  • New materials for the Form 2
    • Black Resin FLGPBK02 (0.05, 0.1 mm)
    • Clear Resin FLGPCL03 (0.025, 0.05, 0.1 mm)
    • Dental SG Resin FLDGOR01 (0.05 mm)
    • Flexible Resin FLFLGR02 (0.05, 0.1 mm)
    • Tough Resin FLTOTL02 (0.05, 0.1 mm)
  • New materials for the Form 1+
    • Black Resin FLGPBK02 (0.025, 0.05, 0.1 mm)
    • Clear Resin FLGPCL03 (0.025, 0.05, 0.1, 0.2 mm)
    • Flexible Resin FLFLGR02 (0.05, 0.1 mm)
    • Tough Resin FLTOTL02 (0.05, 0.1 mm)
  • Fixed firmware update dialog behavior when there's no internet connection

PreForm 2.3.2

  • Fixed issue where PreForm would sometimes compute the peel cycle incorrectly

PreForm 2.3.1

  • Fixed issue where PreForm erroneously prompted for firmware updates

PreForm 2.3.0

  • Updated support bases
    • Chamfered edges make removal easier from all angles
    • New quick release tabs for use with flush cutters
  • Improved print restart dialog
  • Convenient link to track your print on Dashboard
  • Improved print success and surface quality

Firmware 1.4 - April 7, 2016

  • Dashboard registration from printer
  • Display MAC addresses in the UI
  • Pre-print checks for failed uploads

PreForm 2.2.1

  • Supports Form 2 firmware 1.3.2-259

PreForm 2.2.0

  • Supports Form 2 firmware 1.3.2-256
  • Improved French translations
  • UI changes in data-collection opt-in and material select dialogs

PreForm 2.1.0

  • Updated French, German, Chinese, and Japanese translations
  • Added support touch point deletion by drag-selecting in support edit mode
  • Improved wiper routine for Form 2 prints
  • Print process changes to improve surface finish of Form 2 prints

PreForm 2.0.2

  • Add Flexible material settings for Form 2 printers (0.05 and 0.1 mm layer thicknesses)
  • Update EULA

PreForm 2.0.1

  • Printing to a Form 2 printer requires firmware 1.1 (update available via PreForm)
  • Updated material settings for
    • Black (0.025, 0.05 mm)
    • Grey (0.05 mm)
    • Clear (0.1 mm)
  • Improved behavior of the wiper during prints
  • Better error messages when printers become disconnected
  • Allow decimal entry in rotation tool input
  • Assorted UI improvements and bug fixes

PreForm 2.0.0

  • Form 2 support
    • Connect via USB or the network
    • Automatically detect and download firmware updates
    • Register your printer with your Dashboard on
  • One Click Print
    • Prepare your print in one click! Orients your part, generates supports, and arranges your models on the build platform
  • Support for multiple USB printers and networked Form 2s
    • Pick your printer type and material settings
    • Select a target printer when you're ready to print
  • Printers menu allows you to manage all your printers
    • Update printer firmware
    • Fine Tuning and Restart Last Print for Form 1/1+
    • Connect to your Form 2 by entering its IP address (if automatic connection fails)
  • Optimized Form 2 material settings available for Formlabs resins
    • Castable (0.025, 0.05, 0.1 mm)
    • Black (0.025, 0.05, 0.1 mm)
    • Clear (0.025, 0.05, 0.1 mm)
    • Grey (0.025, 0.05, 0.1 mm)
    • White (0.05, 0.1 mm)
    • Tough (0.05, 0.1 mm)
  • Miscellaneous
    • Many bug fixes and user interface improvements
    • Bonjour (a utility to find Form 2 printers on your network) bundled with PreForm on Windows

Firmware 1.3 - March 14, 2016

  • Better logging coverage for debugging customer issues
  • If cartridge is detected to be empty, allow the user to try to finish the print with the resin left in the tank
  • Check for new firmware updates daily

PreForm 1.9.2

  • Improved performance with Tough resin on Form 1+

PreForm 1.9.1

  • Last version to support Windows XP
  • Fix some reported crashes on Windows
  • Bug fixes for UI elements including scale tool and material select dialog
  • Updated camera animations
  • Support raft trimming and build volume corrected
  • Added xy position offset to Fine Tuning dialog
  • Improved settings for most resins for increased print reliability and consistency

PreForm 1.9.0

  • Tough resin support
  • Streamlined User Interface
    • Multiple language support (English, French, German, Japanese, Chinese)
    • Improved keyboard shortcuts dialog
    • More support links
    • Updated orientation tool (incremental rather than absolute rotations)
  • Major internal architecture changes for improved stability and performance
  • Increased reliability of support generation: should now work even on unsupported GPUs
  • Supports now cleared when switching to functional resins
  • Smaller-volume support rafts
  • “How was your last print?” feedback feature

PreForm 1.8.2

  • Improvements to prints using the 50 micron layer thickness for Version 02 Clear resin

PreForm 1.8.1

  • Can now print at 200 micron layer thickness with Clear resin
  • Improved support and quick release tab placement
  • Trim support bases to fit within build volume
  • Can no longer update firmware while printing

PreForm 1.8

  • Support structure overhaul
    • Completely new tree-like structures
    • New manual support mode: optimized structures generated from contact points
    • Reduced need for internal supports
    • Slice-slider view available in manual support mode (and it's upside down!)
    • Improved quick release tabs
    • More efficient geometry storage resulting in smaller .form files
  • Fast print time approximation
  • Support for Flexible resin
  • Updated firmware
    • Allows restarting your last print without re-uploading
  • Print feedback survey
  • Assorted bug fixes and performance improvements

PreForm 1.7.1

  • Improve print quality of fine details with Castable resin

PreForm 1.7

  • Material files for Castable, updated Grey, and updated Clear
  • Material selection updated to account for multiple versions of Grey and Clear
  • New PreForm icon and Form file icon
  • Improved reliability of support platform
  • Fine Tuning settings are now stored per printer rather than per computer

PreForm 1.6.1

  • Page Up and Page Down work correctly to move the slice slider on Windows
  • Rotation and Scale faster on large models
  • Bounding Box behaves correctly when a model uses inches

PreForm 1.6

  • Move pre-print workflow to status area and add links to print preparation support articles
  • Arrow keys rotate camera, and move/scale/translate models when appropriate tool is active
  • Faster print times for delicate models
  • Improved surface finish
  • Speed improvement opening files
  • Up to 50% faster auto orientation
  • In Support Edit Mode models are now colored blue
  • Show option to merge form files when dropped on icon in OS X
  • Default to the Form 1+ time estimate if no printer has been plugged in
  • Properly render quick release tabs after support edits
  • Fix issue where PreForm would crash on some Windows computers
  • Fix issue where model could disappear after editing supports

PreForm 1.5.2

  • Camera no longer moves when entering support edit mode
  • Updated Form 1+ material settings
  • Warn and don't generate supports if model extends outside build platform
  • Several UI tweaks and visual improvements
  • Faster calculation times for slice generation
  • Improve support base stability
  • Increase time estimate accuracy on some models
  • Fix assorted crashes when editing supports
  • Fix for occasional incorrect layers in refill pause calculation
  • Fix for PreForm crashing on launch on certain Windows configurations

PreForm 1.5.1

  • Present option to merge newly opened Form file into existing scene
  • Links to release notes from about PreForm and update dialogs
  • Add numeric readout to sliders in support tool
  • Wording changes to various dialogs and UI elements
  • Improvements to Form 1+ material settings
  • Re-enable ctrl-left-click to drag view in all modes
  • Re-enable showing window-resize cursors on all platforms
  • Fix issue where print could be started from support edit mode under certain conditions

PreForm 1.5

  • Form 1+ support (as well as backward compatibility!)
  • Updated EULA reflecting our new warranty information
  • Manual support editing capabilities
  • Black resin material settings
  • Improved print time estimation
  • Improved resin volume estimation
  • .form files now preserve viewing angle
  • handfuls of improvements to make PreForm faster, smarter, and more agile

Form 1 / Form 1+

Firmware 1.40

  • Restart print functionality

Firmware 1.3f

  • Peel cycle optimizations
  • Print speed optimizations
  • Add capability to better handle fine tuning settings
  • Fix occasional incorrect LCD display

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