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      - text: PCBA PARTNER
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- main:
  - navigation "Breadcrumb":
    - link "Home":
      - /url: /
    - text: / Gerber Viewer
  - heading "Gerber Viewer" [level=1]
  - paragraph: Inspect your PCB layers. Files stay in this browser and are never uploaded.
  - navigation "Engineering tools":
    - link "Component search":
      - /url: /components/
    - link "Gerber viewer":
      - /url: /gerber-viewer.html
    - link "Schematic workbench":
      - /url: /tools/schematic/
    - link "RFQ checklist":
      - /url: /pcba-rfq.html
  - button "Open files or ZIP"
  - button "Add layers"
  - button "Load sample board"
  - button "Clear"
  - paragraph: Drop files here. Gerber / Excellon / Altium / KiCad 6–7 / EAGLE XML · KiCad up to 8 MB, other files 4 MB · 32 MB total.
  - checkbox "Show Altium hidden text"
  - text: Show Altium hidden text
  - generic "Loaded 9 layer files · view or remove"
  - generic "View and board thickness":
    - button "2D" [pressed]
    - button "3D Bare board"
    - text: Preview thickness
    - spinbutton "Preview thickness mm": "1.6"
    - text: mm
  - region:
    - status: Selected 12 files; drawn 9 layers; skipped 3 files. Parser warnings are available. Review the details.
    - generic "Gerber viewer controls":
      - button "Zoom out": −
      - button "Fit"
      - button "Zoom in": +
      - button "Top"
      - button "Bottom"
      - button "Mirror"
      - button "Measure"
      - generic: 100%
      - combobox "Measurement unit":
        - option "mm" [selected]
        - option "in"
      - button "Clear measurements"
    - generic "Gerber drawing. Plus or minus to zoom, F to fit, arrow keys to pan, Escape to clear measurement.":
      - img "Locally rendered Gerber and Excellon layers"
    - list "Measurements for this preview; cleared when the design is reloaded"
    - complementary "Layers":
      - heading "Layers" [level=3]
      - heading "Copper" [level=4]
      - checkbox "Show Bottom copper · pcba-partner-file-interop-teaching-B_Cu.gbl" [checked]
      - strong: Bottom copper · pcba-partner-file-interop-teaching-B_Cu.gbl
      - generic: COPPER BOTTOM · GERBER
      - slider "Bottom copper · pcba-partner-file-interop-teaching-B_Cu.gbl opacity": "85"
      - button "Solo"
      - heading "Solder mask/Paste" [level=4]
      - checkbox "Show Bottom solder mask · pcba-partner-file-interop-teaching-B_Mask.gbs"
      - strong: Bottom solder mask · pcba-partner-file-interop-teaching-B_Mask.gbs
      - generic: SOLDERMASK BOTTOM · GERBER
      - slider "Bottom solder mask · pcba-partner-file-interop-teaching-B_Mask.gbs opacity": "85"
      - button "Solo"
      - checkbox "Show Bottom paste · pcba-partner-file-interop-teaching-B_Paste.gbp"
      - strong: Bottom paste · pcba-partner-file-interop-teaching-B_Paste.gbp
      - generic: PASTE BOTTOM · GERBER
      - slider "Bottom paste · pcba-partner-file-interop-teaching-B_Paste.gbp opacity": "85"
      - button "Solo"
      - heading "Outline/Hole" [level=4]
      - checkbox "Show Board outline · pcba-partner-file-interop-teaching-Edge_Cuts.gm1" [checked]
      - strong: Board outline · pcba-partner-file-interop-teaching-Edge_Cuts.gm1
      - generic: OUTLINE · GERBER
      - slider "Board outline · pcba-partner-file-interop-teaching-Edge_Cuts.gm1 opacity": "85"
      - button "Solo"
      - heading "Copper" [level=4]
      - checkbox "Show Top copper · pcba-partner-file-interop-teaching-F_Cu.gtl" [checked]
      - strong: Top copper · pcba-partner-file-interop-teaching-F_Cu.gtl
      - generic: COPPER TOP · GERBER
      - slider "Top copper · pcba-partner-file-interop-teaching-F_Cu.gtl opacity": "85"
      - button "Solo"
      - heading "Solder mask/Paste" [level=4]
      - checkbox "Show Top solder mask · pcba-partner-file-interop-teaching-F_Mask.gts"
      - strong: Top solder mask · pcba-partner-file-interop-teaching-F_Mask.gts
      - generic: SOLDERMASK TOP · GERBER
      - slider "Top solder mask · pcba-partner-file-interop-teaching-F_Mask.gts opacity": "85"
      - button "Solo"
      - checkbox "Show Top paste · pcba-partner-file-interop-teaching-F_Paste.gtp"
      - strong: Top paste · pcba-partner-file-interop-teaching-F_Paste.gtp
      - generic: PASTE TOP · GERBER
      - slider "Top paste · pcba-partner-file-interop-teaching-F_Paste.gtp opacity": "85"
      - button "Solo"
      - heading "Silkscreen" [level=4]
      - checkbox "Show Bottom silkscreen · pcba-partner-file-interop-teaching-b_silkscreen.gbo" [checked]
      - strong: Bottom silkscreen · pcba-partner-file-interop-teaching-b_silkscreen.gbo
      - generic: SILKSCREEN BOTTOM · GERBER
      - slider "Bottom silkscreen · pcba-partner-file-interop-teaching-b_silkscreen.gbo opacity": "85"
      - button "Solo"
      - checkbox "Show Top silkscreen · pcba-partner-file-interop-teaching-f_silkscreen.gto" [checked]
      - strong: Top silkscreen · pcba-partner-file-interop-teaching-f_silkscreen.gto
      - generic: SILKSCREEN TOP · GERBER
      - slider "Top silkscreen · pcba-partner-file-interop-teaching-f_silkscreen.gto opacity": "85"
      - button "Solo"
      - button "Show all"
      - button "Hide all"
      - paragraph: 9 layers · 81 parser warnings
  - status:
    - paragraph: "Full drawing bounds (approximate): 35.050 × 25.050 mm. Board outline bounds: 35.000 × 25.000 mm (parsed outline, approximate)."
    - generic "Parsing notes (81 )· Expand to review"
    - paragraph: No separate drawable drill layer supplied. Only outline cutouts are used in 3D; not all drilled holes can be confirmed.
    - generic "Undrawn empty layers or attachments"
    - 'generic "Parse coverage: commands read and geometry drawn per layer"'
  - paragraph: Experimental native PCB previews. KiCad 6/7 sample formats verified; other versions are not enabled. EAGLE XML shows geometry, not repoured copper. Verify manufacturing data in PCB/CAM software.
  - heading "Discuss your next PCBA build." [level=2]
  - paragraph: Share your requirements, quantity and target date.
  - link "Request a quote":
    - /url: /pcba-rfq.html?lang=en&source_page=%2Fgerber-viewer.html&cta=footer
    - generic: Request a quote
    - generic: ↗
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  - link "WhatsApp":
    - /url: https://wa.me/8613712831373?text=Hello%2C%20I%20would%20like%20to%20discuss%20a%20PCBA%20project.
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    - /url: https://mp.weixin.qq.com/mp/profile_ext?action=home&__biz=MzcwMDA5MjgyNQ%3D%3D
  - navigation "Services":
    - heading "Services" [level=2]
    - list:
      - link "Prototype PCB assembly":
        - /url: /prototype-pcb-assembly.html?lang=en
      - link "SMT & through-hole assembly":
        - /url: /services.html?lang=en#assembly
      - link "PCB fabrication":
        - /url: /services.html?lang=en#fabrication
      - link "Component sourcing":
        - /url: /services.html?lang=en#sourcing
      - link "Box-build assembly":
        - /url: /box-build-assembly.html?lang=en
  - navigation "Resources":
    - heading "Resources" [level=2]
    - list:
      - link "Capabilities":
        - /url: /capabilities.html?lang=en
      - link "Quality & inspection":
        - /url: /quality.html?lang=en
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        - /url: /products.html?lang=en
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        - /url: /technical-reference-library.html?lang=en#case-list
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        - /url: /blog.html?lang=en#procurement-topics
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  - heading "Contact" [level=2]
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    - link "hello@pcbapartner.com":
      - /url: mailto:hello@pcbapartner.com
      - generic: hello@pcbapartner.com
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      - /url: tel:+8613712831373
      - generic: +86 137 1283 1373
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      - /url: https://wa.me/8613712831373?text=Hello%2C%20I%20would%20like%20to%20discuss%20a%20PCBA%20project.
      - generic: WhatsApp
    - link "Dongguan, Guangdong, China":
      - /url: https://www.google.com/maps/search/?api=1&query=No.137%20Changdong%20Road%2C%20Changping%20Town%2C%20Dongguan%20City%2C%20Guangdong%20Province%2C%20China
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    - link "Privacy":
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