Flat-pack furniture assembly video: real footage, trimmed steps

For an assembly video, film a person doing each step with the real parts, cut each step out of the raw take with video trim, then burn the step number and one instruction onto it with authored caption cues. Real footage matters here: a generated clip can show a screw going where none goes. Stored guidance on 3D-render assembly clips exists in the 3D render post, but for the instructions your customer will actually follow, use the real build.

Cost on Sume, from the docs read 2026-10-03: trim is $0.02 per job and captions are $0.20 per job for clips up to 60 seconds.

Cost for a six-step dresser

One trim and one caption job per step, so six clips. The totals are arithmetic on the two rates above.

The steps

Import the raw take to your workspace first. Video trim takes a media.sume.com clip, a start, and exactly one of end or duration, and returns a new MP4 with a new artifact id. Keep precision at its default exact for frame-accurate cuts.

Then video captions with cues. Assembly footage is often silent or has a hammer in the background, and authored cues skip speech-to-text so that does not matter. One action per cue: "Step 3: Slide drawer rails into the side panels until they click."

curl -X POST https://api.sume.com/v1/video-captions \
  -H "Authorization: Bearer $SUME_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: dresser-step3-001" \
  -d '{
  "video_url": "https://media.sume.com/artifacts/example/step3.mp4",
  "cues": [
    {
      "text": "Step 3",
      "start": 0.3,
      "end": 2.5
    },
    {
      "text": "Slide rails into the side panels until they click",
      "start": 2.5,
      "end": 9
    }
  ]
}'

Make the last step the anchor

On the CPSC page, read 2026-10-03, the agency adopted ASTM F2057-23 as a mandatory standard for clothing storage units, effective September 1, 2023, and says it documented 234 fatalities from clothing storage unit tip-overs from January 2000 through April 2022, including 199 child fatalities. It recommends that consumers anchor furniture, including dressers, securely to the wall.

So end the video with a wall-anchor step on a stud or the fasteners your product's instructions call for. I did not read the standard itself, so follow the manual that ships with your unit for hardware. Sume does not review your instructions for safety; it trims and captions what you filmed.