This is a fantastic question, as combining 3D printing with laser engraving/cutting opens up a vast array of possibilities, leveraging the strengths of both technologies. Diode lasers are particularly versatile for engraving and cutting non-metals and marking some metals, making them a great complement to 3D printed parts.

Here are various products that might contain both diode laser engraved/cut parts and 3D printed parts of TPU or PETG:

• Custom Phone/Tablet Cases:

  • TPU 3D Print: The flexible and shock-absorbent main body of the case provides protection.

  • Diode Laser Engraving/Cutting (on a separate piece): A thin wood, acrylic, or leather insert with an engraved design, logo, or personalized text, which then snaps or adheres into a recess on the TPU case. This allows for intricate detail and premium finishes not easily achieved with 3D printing alone on TPU.

• Custom Enclosures/Housings:

  • PETG 3D Print: A rigid, durable enclosure for electronics (e.g., Raspberry Pi case, sensor housing, smart home device).

  • Diode Laser Engraving/Cutting (on panels): Front/back panels made of acrylic or wood, laser-cut for display screens, buttons, ventilation holes, or engraved with labels, instructions, or branding.

• Cable Organizers/Management:

  • TPU 3D Print: Flexible cable clips, ties, or channels that conform to cables.

  • Diode Laser Engraving/Cutting (on a base/mount): A small wooden or acrylic base that the TPU clips attach to, with engraved labels for different cables (e.g., "HDMI," "USB-C").

• Custom USB Drives/External Hard Drive Cases:

  • PETG 3D Print: The main housing for the drive.

  • Diode Laser Engraving (on a separate panel): A thin metal plate (anodized aluminum is good for diode lasers) or wood veneer engraved with a logo, name, or design, affixed to the PETG body.

II. Home & Office Decor/Organization:

• Modular Storage Systems:

  • PETG 3D Print: Connectors, brackets, or stackable bins.

  • Diode Laser Engraving/Cutting (on panels/dividers): Thin wood or acrylic dividers with engraved labels (e.g., for craft supplies, tools, desk organizers), or decorative panel inserts.

• Custom Coaster Sets:

  • PETG 3D Print: A holder or stand for the coasters.

  • Diode Laser Engraving (on individual coasters): Coasters made from wood, cork, slate, or acrylic, each engraved with unique designs, names, or a theme.

• Desk Organizers/Pen Holders:

  • PETG 3D Print: The main structural components.

  • Diode Laser Engraving/Cutting (on accents): Decorative or functional inserts/panels of wood or acrylic that are laser cut to fit perfectly, adding engraved patterns or sections for specific items.

• Lamps/Lanterns (with intricate patterns):

  • PETG 3D Print: The main structural frame or base of the lamp.

  • Diode Laser Cutting/Engraving (on diffusers/shades): Thin acrylic or wood panels with intricate patterns laser-cut or engraved to create unique light diffusion effects, which then slot into the 3D printed frame.

• Wall Art/Display Pieces:

  • PETG 3D Print: A stand or frame for a piece of laser-cut art.

  • Diode Laser Engraving/Cutting: Intricate designs cut from wood or acrylic, which are then mounted on or held by the 3D printed part.

III. Tools, Jigs & Fixtures:

• Custom Tool Organizers with Labels:

  • PETG 3D Print: Custom-fit slots and compartments for specific tools.

  • Diode Laser Engraving (on labels/sections): Engraved labels on thin wood or acrylic strips inserted into the organizer to clearly identify tools or sections.

• Assembly Jigs:

  • PETG 3D Print: The main body of a jig that holds parts for assembly.

  • Diode Laser Engraving: Engraved markings, alignment guides, or instructions directly onto the jig, or on an attached laser-cut acrylic plate.

• Custom Stamping/Embossing Tools:

  • PETG 3D Print: The handle or base of the tool.

  • Diode Laser Engraving (on the stamping surface): A small piece of durable material (like hard rubber or specialized laser-engravable plastic) precisely engraved with a logo or design, mounted to the PETG handle.

IV. Sporting & Recreation:

• Custom Drone/RC Parts:

  • PETG 3D Print: Structural components, landing gear, or camera mounts.

  • Diode Laser Cutting/Engraving: Lightweight carbon fiber (thin sheets), wood, or acrylic plates for chassis elements, battery straps, or custom identification tags, engraved with logos or serial numbers.

• Protective Gear (small scale):

  • TPU 3D Print: Flexible padding or protective caps for equipment.

  • Diode Laser Engraving (on an outer layer): A thin leather patch or fabric piece engraved with a team logo or branding, stitched or adhered to the TPU part.

V. Personalized Gifts & Keepsakes:

• Photo Lamps/Night Lights:

  • PETG 3D Print: A base for the light source and to hold the photo panel.

  • Diode Laser Engraving: An acrylic panel with a photo or design engraved onto it, which illuminates when placed in the base.

• Custom Name Signs/Plaques:

  • PETG 3D Print: A decorative stand or frame for the sign.

  • Diode Laser Engraving/Cutting: A main sign piece cut from wood or acrylic with names, dates, or messages engraved.

• Bookends:

  • PETG 3D Print: The main bookend structure.

  • Diode Laser Engraving/Cutting (on decorative panels): Decorative inserts of wood, acrylic, or thin metal engraved with literary quotes, fantasy motifs, or personal touches.

The key to these combined products is using each technology for what it does best: 3D printing for complex geometries, custom fits, and functional structures (especially with flexible TPU or durable PETG), and diode laser engraving/cutting for precise flat patterns, intricate details, text, and different material aesthetics.