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Sprout by HP - Using 3D Capture with your Sprout by HP

This information applies to the 3D Capture software included with the Sprout by HP.
There are two ways of scanning a 3-dimensional object with 3D Capture on Sprout.
  • Manual scan: Rotate the object manually.
  • Automatic scan: The HP 3D Capture Stage rotates the object.
After scanning, edit the model by using the tools in 3D Viewer.

Before you begin

Use this information to learn how to capture the best possible 3D scan.
  • Sprout scans certain types of objects better than others. Models made from objects that are matte, solid, non-transparent, and not too thin are more successful than models made from shiny, furry, flat, or transparent objects.
  • Objects larger than 8 x 8 x 8 inches (20 x 20 x 20 cm), or weighing more than 4 pounds (1.81 kg) cannot be scanned.
  • Test the position of the object on the stage before beginning an automatic scan. The stage will spin and will likely be tilted. Make sure the object will not wiggle or fall during these movements.
  • The lighting around your Sprout should be even and direct sunlight should be avoided.
  • Use non-permanent adhesive putty to help position the object during the scan.
  • To view a video showing best practices for 3D scanning, tap the Question mark icon on the right side of the Choose capture type screen. Then tap the 3D Capture tutorial video. When you have finished viewing the video, tap the arrow button to close the help screen.

Scan a model using manual 3D Capture

Use the following steps to create a 3D image model with the manual function of 3D Capture.
note:
Tap the Tips icon on the right side of the Sprout screens to learn more about 3D Capture features.

Video of scanning a model using manual 3D Capture

  1. To create a new 3D model, touch 3D Capture on the Sprout Home screen.
    Figure : 3D Capture on Sprout Home Screen
    3D Capture on Sprout Home Screen
  2. Touch the 3D Capture option in the selection window that opens.
    Figure : 3D Capture selection in the 3D Capture menu
    3D Capture selection in the 3D Capture menu
  3. Touch the Manual Scan option on the screen.
    Figure : The Manual Scan option
    The Manual Scan option
  4. Before you can scan an object, be sure to scan the background. Otherwise, Sprout will read the touch mat as being part of the object and will include it in your model.
    To scan the background, touch the Scan background button on the screen, and then touch Scan background again.
    Make sure there is nothing on the mat during the background scan.
    Figure : Scanning the background
    Scan background
  5. After the background scan is complete, Sprout projects a template on the mat and asks you to center the object on the mat.
    Figure : Positioning your object
    Positioning your object
  6. When you have positioned the item on the mat, touch the Start scan button on the screen.
    note:
    From this point on, if you navigate away from the app, your scan will be lost and must be started over.
    Figure : Starting the scan
    Starting the scan
  7. Sprout performs six separate scans to complete one scan cycle. When it is done with the first scan, an image of the model is displayed on the screen.
    Rotate the object like hands on a clock to the position indicated on the mat. Be sure not to change the orientation of the object, so that the same side remains facing up throughout each phase of the cycle.
    When the object has been rotated to the next position, touch the Start scan button on the screen.
    Figure : Positioning the model for the second scan
    Positioning the model for the second scan
  8. Continue to rotate the object as directed after each phase of the scan cycle. The first scan cycle is complete when the object has been scanned in each position and has made a full rotation around the scanning template.
    Touch Finish cycle.
  9. Sprout finishes the cycle by merging the scanned surfaces of the six different views. Do not touch or move the object during this process.
    Figure : Finishing the scan cycle
    Finishing the scan cycle
  10. After finishing the scan cycle, Sprout displays your model in sculpture mode.
    You can preview and move your scanned object by dragging, spinning, and pinching.
    Figure : Previewing your model
    Previewing your model in sculpture mode
  11. After previewing, choose one of the following options:
    • Delete the cycle - quit the current scan cycle without saving the scans for that cycle.
      note:
      If the object moves at all during the scan, quit the cycle and try again, making sure it is fastened firmly in place.
    • Done capturing - save the results and exit scanning.
    • Add another cycle - scanning a different surface of the object in a new scan cycle will give a more complete picture of the object and will result in a better, more detailed model.
      note:
      HP recommends performing three or more scan cycles for best results.
  12. To perform another scan cycle, touch Add another cycle. Reposition the object so a different surface can be scanned, using repositionable putty if necessary to secure the object.
    Then touch Start Scan.
    Figure : Cycle 2 - scanning a different surface
    Cycle 2 - scanning a different surface of the object
  13. When Cycle 2 is complete, tap Finish cycle and decide how to proceed; either complete, delete, or add another cycle.
    To perform another scan cycle, touch Add another cycle, reposition the object, and touch Start Scan.
    Previews of the previous cycles are displayed on the left side of the screen, as well as the live camera feed.
    Figure : Cycle 3 - scanning a different surface
    Cycle 3 - scanning a different surface of the object
  14. When you are done scanning, touch Done capturing. Sprout asks if you want to close or preserve the gaps in the model.
    To preserve the gaps, touch the Preserve gaps button on the screen. If the object has an opening, a keyhole, or lacy cutouts, use Preserve gaps to maintain the holes.
    To fill the gaps, touch the Close gaps button on the screen. If the object has no natural holes or openings, use Close gaps to smooth the model.
    Figure : Close or preserve gaps
    Close or preserve gaps
  15. Touch Continue to Edit to open the 3D Viewer and edit the model.

Scan a model using automatic 3D Capture

Use the following steps to create a 3D image model with the automatic function of 3D Capture and the 3D Capture Stage.
note:
Tap the Tips icon on the right side of the Sprout screens to learn more about 3D Capture features.

View a video of scanning a model using the 3D Capture Stage

  1. To create a new 3D model, touch 3D Capture on the Sprout Home screen.
    Figure : 3D Capture on Sprout Home Screen
    3D Capture on Sprout Home Screen
  2. Touch the 3D Capture option in the selection window that opens.
    Figure : 3D Capture selection in the 3D Capture menu
    3D Capture selection in the 3D Capture menu
  3. Touch the Automatic Scan option on the screen.
    Figure : The Automatic Scan option
    The Automatic Scan option
  4. Place the stage on the touch mat and position it following the instructions.
    Figure : Positioning the stage
    Position the stage
  5. Connect the cable from the stage to the lower USB port of the Sprout.
    Figure : Connecting the stage
    Connect the stage
  6. Position the cable so that it is parallel with the back of the touch mat, but not resting on it.
    Figure : Positioning the cable
    Position the cable
  7. Touch the Scan background button on the screen.
    note:
    Make sure the stage and mat are clear during the background scan. Do not move the stage during or after the background scan process.
    Figure : Scanning the background
    Scan background
  8. When the background scan is complete, place the object securely on the stage. You might need adhesive putty to keep the object in place. Make sure that putty is not visible since any visible putty will be scanned as part of the object.
    note:
    From this point on, if you navigate away from the app, your scan will be lost and must be started over.
    Figure : Placing the object on the stage
    Place the object on the stage
  9. In the lower-right, choose the stage position, either Tilted or Flat.
    note:
    If you select Tilted, Sprout automatically tilts the stage during the scanning process.
    Figure : Choosing the stage position
    Choosing the stage position
  10. To check whether the object is securely fastened to the stage, touch Test Stage Rotation. If the object moves during the rotation, secure it with adhesive putty and test again.
    Figure : Testing the stage rotation
    Testing the stage rotation
  11. To begin the first scan cycle, touch the Start scan button in the lower-right corner of the screen.
    Figure : Starting Cycle 1
    Starting the scan
  12. Sprout performs six separate scans to complete one scan cycle. During this process, the stage automatically rotates until it has completed the six scans in the cycle.
    Figure : Scanning - Cycle 1
    Scanning - Cycle 1
  13. Sprout finishes the cycle by merging all of the scans and displays your model in sculpture mode.
    Do not touch or move the object or stage during this process.
    You can view your scanned object by dragging, spinning, and pinching.
    Figure : Previewing your model in sculpture mode
    Previewing your model in sculpture mode
  14. After previewing, choose one of the following options:
    • Delete the cycle - quit the current scan cycle without saving the scans for that cycle.
      note:
      If the object moves at all during the scan, quit the cycle and try again, making sure it is fastened firmly in place.
    • Repeat the current cycle - use this to improve the quality of the scans in the current cycle.
    • Done capturing - save the results and exit scanning.
    • Add another cycle - scanning a different surface of the object in a new scan cycle will give a more complete picture of the object and will result in a better, more detailed model.
      note:
      HP recommends performing three or more scan cycles for best results.
  15. To perform another scan cycle, reposition the object on the stage so a different surface can be scanned and then test the stage rotation to make sure the object is fastened securely.
    Then touch Start Scan.
    Figure : Cycle 2 - scanning a different surface of the object
    Cycle 2 - scanning a different surface of the object
  16. When Cycle 2 is complete, preview the scans and decide how to proceed; either complete, delete, repeat, or add a cycle.
    To add a third cycle to scan a different surface, reposition the object, test the stage rotation, and touch Start Scan.
    Previews of the previous cycles are displayed on the left side of the screen, as well as the live camera feed.
    Figure : Cycle 3
  17. When Cycle 3 is complete, touch Done capturing. Sprout fuses the scan cycles and displays your model on the screen.
  18. Sprout notifies you that you can preserve gaps that appear in the model or close them.
    To preserve the gaps, touch the Preserve gaps button on the screen. If the object has an opening, a keyhole, or lacy cutouts, use Preserve gaps to maintain the holes.
    To close the gaps, touch the Close gaps button on the screen. If the object has no natural holes or openings, use Close gaps to smooth the model.
    Figure : Close or preserve gaps
    Close or preserve gaps
  19. When done, touch Continue to Edit.
    3D Viewer opens your model for editing.

Troubleshoot a failed 3D scan

If the 3D scan fails, follow these steps to troubleshoot the problem.
  1. Quit the 3D Capture program.
  2. Search for and open File Explorer.
  3. In the search field, type C:\ProgramData\Hewlett-Packard\Sprout\SDK.
  4. Delete the 3DcamCal.cal,3DcamCalHD.cal,3DprojCal.cal, and3dprojCalHD.calfiles.
    Figure : The .cal files
    The .cal files
  5. Restart the 3D Capture program and begin the scanning process again.

Edit models in 3D Viewer

Your 3D models can be edited any time on Sprout. Use the following information to learn about editing 3D models in 3D Viewer.

View a video to learn how to use the editing features for 3D Capture

  1. 3D Viewer opens automatically after you are done scanning an object. If you want to edit an existing model, open it from the 3D Models pane in the Sprout Gallery screen.
    Figure : 3D Models pane
    3D Models pane
  2. Flick the model you want to edit towards the touch mat, or select the model and touch Open in 3D Viewer on the bottom of the screen.
    Figure : Open in 3D Viewer
    Open in 3D Viewer
    The model loads and opens in 3D Viewer.
  3. Pinch, spread, or drag your fingers to shrink, enlarge, and spin the model.
  4. To add texture to your model, touch the Texture button. The Texture menu opens.
    Touch one of the texture selections. The texture is applied to your entire model. You cannot add texture to selected parts. You can also remove all the texture, and revert to the original texture.
    Figure : Texture menu - Adding texture
    Texture button
      Figure : No texture and Original texture buttons
      No texture and Original texture buttons
    1. No texture
    2. Original texture
  5. To change color, touch the Color button.
    Touch one of the color selections. The color is applied to your entire model, tinting parts that are already colored and painting white parts. You cannot select areas of the model to paint.
    Figure : Adding color
    Adding color
  6. To remove noise, the extra unwanted artifacts in the scan that do not belong to the object, use the Remove Noise tool. All objects on the screen change to red.
    Tap the objects or parts of the object on the screen you want to keep, changing them from red to blue.
    The red parts will be deleted and the blue parts will be saved. When done, tap the blue check at the bottom of the screen to save your changes.
      Figure : Selecting parts to keep
      Selecting parts to keep
    1. Blue objects will be saved
    2. Artifact - red objects will be deleted

Tools in 3D Edit

Touch any of the tools on the mat to apply changes to the model, save or export the model, or quit the 3D Viewer program.
    Figure : Editing tools
    All editing tools
  1. Edit menu
  2. Share and Print menu
  3. Main menu
  4. Save menu
The following tables describe the function of the editing tools.
Edit Menu
Icon
Function
Add texture to the 3D model. This tool affects the entire model. You cannot add texture to selected parts.
Color the 3D model. This palette affects the entire model, tinting parts that are already colored and painting white parts. You cannot select areas of the model to paint.
Save the 3D model as a two-dimensional image.
Remove noise from the 3D model. Tap different parts of the model to change them from red to blue. The red parts will be deleted.
Reset the axis of the 3D model. Use this tool to return the model to its original position.
Share and Print Menu
Icon
Function
Share the 3D model via email or social media.
Recipients of your shared 3D model can edit, print, and re-share it.
Print the 3D model on site or send it to a 3D printing service.
Main Menu
Icon
Function
Create a new model. Use this tool to save your current 3D model and open the 3D Capture app.
note:
When used together with the Remove Noise tool, this button saves the selected portion of the model.
Save the edited 3D model and exit 3D Viewer.
Export the 3D model in .obj format.
Display information about the Sprout.
Exit 3D Viewer.
Save Menu
Icon
Function
Create a new model. Use this tool to save the current 3D model and open the 3D Capture app.
note:
When used together with the Remove Noise tool, this button saves the selected portion of the model.
Delete the current 3D model.
When used together with the Remove Noise tool, this button erases the selected pieces.
Save the edited 3D model and exit 3D Viewer.

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