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Iterative Refinement: The 3-Prompt Rule

You don't need the perfect message first time. Structure, then design, then polish — three rounds to go from good to exceptional. Plus the edit vocabulary that works.

Dev Decks Team

Product & Growth

April 4, 2026

8 min read

You don't need to write the perfect message on your first try. In fact, trying to describe everything in one go — layout, content, tone, motion, interactions — usually produces worse results than building up in stages.

The most effective way to get an exceptional slide is three rounds:

  1. Get the structure right — what's on the slide and roughly how it's arranged
  2. Refine the design — how it looks and feels
  3. Polish the details — motion, interaction, and the finishing touches

This works because the AI remembers what it just built. Each message builds on the last, so you can see the result at every stage and adjust your direction.

The 3-Prompt Rule in Action

Here's a pricing slide built in three rounds:

Round 1: Structure

"Create a slide showing our 3 pricing tiers in columns — Starter at £19/month, Professional at £49/month, and Enterprise at £99/month"

The AI creates three columns with the plan names and prices. It's functional and clear. A good starting point.

Round 2: Design

"Make the Professional tier slightly larger and highlighted — it's the recommended plan. Add a 'Most Popular' badge on it. Use our brand colours more prominently."

Now it looks intentional. The recommended plan stands out, the badge draws the eye, and the brand colours tie it together.

Round 3: Polish

"Add a hover effect on each tier that lifts the card slightly. Make the prices count up from zero. Put a checkmark feature list under each plan — 5 features for Starter, 8 for Professional, all features for Enterprise."

Now it's exceptional. Interactive hover effects, animated pricing, and detailed feature lists. A slide that looks like it was designed by a professional agency.

Three simple messages. Under a minute of typing. The result would take hours in PowerPoint.

Why Three Rounds Beats One

You might wonder: why not just put all of that in one message?

You can. And it works. But three rounds has advantages:

You see each stage. After round 1, you might realise you actually want 4 tiers, not 3. Better to catch that before adding hover effects and animations.

You can change direction. If round 2 doesn't feel right — maybe the highlighted tier looks wrong — you just say "actually, don't highlight any tier, keep them equal." You haven't wasted a long, detailed prompt.

The AI builds on its own work. When you refine in stages, the AI preserves what's working and adjusts what you've asked to change. A mega-prompt asks it to design everything from scratch in one shot.

It's less pressure. You don't need to think of everything upfront. Start simple, then react to what you see.

The Edit Vocabulary

When you're refining, certain words and phrases work especially well. Think of these as your editing toolkit:

Making Changes

"Make it more..." — "Make it more spacious" / "Make it more bold" / "Make it more premium"

"Make it less..." — "Make it less cluttered" / "Make it less corporate" / "Make it less busy"

"Swap X and Y" — "Swap the image and the text" / "Swap the order of the columns"

"Move X to..." — "Move the logo to the top left" / "Move the CTA to the bottom"

Adding Things

"Add... to each..." — "Add an icon to each feature" / "Add a hover effect to each card"

"Add... below/above/next to..." — "Add a subtitle below the headline" / "Add a badge next to the price"

"Include..." — "Include our customer count" / "Include a testimonial quote"

Removing Things

"Remove the..." — "Remove the background pattern" / "Remove the icons"

"Simplify..." — "Simplify this slide" / "Simplify the layout — too much going on"

"Strip it back to..." — "Strip it back to just the number and the label"

Adjusting Emphasis

"Make X bigger/smaller" — "Make the headline bigger" / "Make the supporting text smaller"

"Emphasise..." — "Emphasise the growth rate more" / "Emphasise the team photos"

"De-emphasise..." — "De-emphasise the footer" / "De-emphasise the secondary metrics"

Real Refinement Examples

Team Slide

Round 1: "Show our 4 team members with their names and roles"

Round 2: "Put them in a 2x2 grid with circular photos. Make it feel warm and personal."

Round 3: "Add a hover effect that reveals each person's background and LinkedIn. Stagger the entrance so they appear one by one."

Traction Slide

Round 1: "Show our key traction metrics — 12,000 users, £240k MRR, 34% month-over-month growth"

Round 2: "Make the MRR the hero number — largest on the slide. Put the other two metrics as supporting cards below it."

Round 3: "All three numbers count up from zero. Add a small sparkline chart under the MRR showing the last 6 months. The growth rate should have a green up-arrow next to it."

Problem Slide

Round 1: "Create a slide about the problem our product solves — sales teams spend 4 hours per deck"

Round 2: "Make this feel uncomfortable — stark, high contrast, the '4 hours' should hit hard. Dark background."

Round 3: "The '4 hours' types itself out like a clock counting. Below it, show three pain points that fade in one by one: manual formatting, inconsistent branding, no analytics."

Closing CTA

Round 1: "Create a closing slide with our call to action — start a free trial"

Round 2: "Make this feel confident and bold. One clear message, lots of space, brand colours prominent."

Round 3: "The headline does a word-by-word reveal. The CTA button grows from the centre after a short pause. Add a subtle frosted glass effect behind the button."

When to Start Over vs Iterate

Keep iterating when:

  • The basic structure is right but the design needs work
  • You like the layout but want to change the feeling or tone
  • You want to add motion or interaction to what's already there
  • The content is correct but the emphasis is wrong

Start fresh when:

  • The layout is fundamentally wrong (you asked for a grid but wanted a timeline)
  • You want a completely different approach to the same content
  • The slide has gone in a direction you don't like after several rounds

Starting fresh is just: "Scrap this and try again — this time with a split-screen layout instead." The AI doesn't take it personally.

The "Almost Right" Shortcut

Sometimes a slide is 90% there and you just need a nudge:

"This is great but make the headline a bit larger"

"Love this — just add a subtle entrance animation"

"Perfect layout, but make it feel more premium — darker background, more breathing room"

"Nearly there — swap the positions of the chart and the quote"

These small tweaks are often the difference between good and exceptional. Don't be afraid to send a one-line refinement.

You don't need to write the perfect message on your first try. In fact, trying to describe everything in one go — layout, content, tone, motion, interactions — usually produces worse results than building up in stages.

The most effective way to get an exceptional slide is three rounds:

  1. Get the structure right — what's on the slide and roughly how it's arranged
  2. Refine the design — how it looks and feels
  3. Polish the details — motion, interaction, and the finishing touches

This works because the AI remembers what it just built. Each message builds on the last, so you can see the result at every stage and adjust your direction.

The 3-Prompt Rule in Action

Here's a pricing slide built in three rounds:

Round 1: Structure

"Create a slide showing our 3 pricing tiers in columns — Starter at £19/month, Professional at £49/month, and Enterprise at £99/month"

The AI creates three columns with the plan names and prices. It's functional and clear. A good starting point.

Round 2: Design

"Make the Professional tier slightly larger and highlighted — it's the recommended plan. Add a 'Most Popular' badge on it. Use our brand colours more prominently."

Now it looks intentional. The recommended plan stands out, the badge draws the eye, and the brand colours tie it together.

Round 3: Polish

"Add a hover effect on each tier that lifts the card slightly. Make the prices count up from zero. Put a checkmark feature list under each plan — 5 features for Starter, 8 for Professional, all features for Enterprise."

Now it's exceptional. Interactive hover effects, animated pricing, and detailed feature lists. A slide that looks like it was designed by a professional agency.

Three simple messages. Under a minute of typing. The result would take hours in PowerPoint.

Why Three Rounds Beats One

You might wonder: why not just put all of that in one message?

You can. And it works. But three rounds has advantages:

You see each stage. After round 1, you might realise you actually want 4 tiers, not 3. Better to catch that before adding hover effects and animations.

You can change direction. If round 2 doesn't feel right — maybe the highlighted tier looks wrong — you just say "actually, don't highlight any tier, keep them equal." You haven't wasted a long, detailed prompt.

The AI builds on its own work. When you refine in stages, the AI preserves what's working and adjusts what you've asked to change. A mega-prompt asks it to design everything from scratch in one shot.

It's less pressure. You don't need to think of everything upfront. Start simple, then react to what you see.

The Edit Vocabulary

When you're refining, certain words and phrases work especially well. Think of these as your editing toolkit:

Making Changes

"Make it more..." — "Make it more spacious" / "Make it more bold" / "Make it more premium"

"Make it less..." — "Make it less cluttered" / "Make it less corporate" / "Make it less busy"

"Swap X and Y" — "Swap the image and the text" / "Swap the order of the columns"

"Move X to..." — "Move the logo to the top left" / "Move the CTA to the bottom"

Adding Things

"Add... to each..." — "Add an icon to each feature" / "Add a hover effect to each card"

"Add... below/above/next to..." — "Add a subtitle below the headline" / "Add a badge next to the price"

"Include..." — "Include our customer count" / "Include a testimonial quote"

Removing Things

"Remove the..." — "Remove the background pattern" / "Remove the icons"

"Simplify..." — "Simplify this slide" / "Simplify the layout — too much going on"

"Strip it back to..." — "Strip it back to just the number and the label"

Adjusting Emphasis

"Make X bigger/smaller" — "Make the headline bigger" / "Make the supporting text smaller"

"Emphasise..." — "Emphasise the growth rate more" / "Emphasise the team photos"

"De-emphasise..." — "De-emphasise the footer" / "De-emphasise the secondary metrics"

Real Refinement Examples

Team Slide

Round 1: "Show our 4 team members with their names and roles"

Round 2: "Put them in a 2x2 grid with circular photos. Make it feel warm and personal."

Round 3: "Add a hover effect that reveals each person's background and LinkedIn. Stagger the entrance so they appear one by one."

Traction Slide

Round 1: "Show our key traction metrics — 12,000 users, £240k MRR, 34% month-over-month growth"

Round 2: "Make the MRR the hero number — largest on the slide. Put the other two metrics as supporting cards below it."

Round 3: "All three numbers count up from zero. Add a small sparkline chart under the MRR showing the last 6 months. The growth rate should have a green up-arrow next to it."

Problem Slide

Round 1: "Create a slide about the problem our product solves — sales teams spend 4 hours per deck"

Round 2: "Make this feel uncomfortable — stark, high contrast, the '4 hours' should hit hard. Dark background."

Round 3: "The '4 hours' types itself out like a clock counting. Below it, show three pain points that fade in one by one: manual formatting, inconsistent branding, no analytics."

Closing CTA

Round 1: "Create a closing slide with our call to action — start a free trial"

Round 2: "Make this feel confident and bold. One clear message, lots of space, brand colours prominent."

Round 3: "The headline does a word-by-word reveal. The CTA button grows from the centre after a short pause. Add a subtle frosted glass effect behind the button."

When to Start Over vs Iterate

Keep iterating when:

  • The basic structure is right but the design needs work
  • You like the layout but want to change the feeling or tone
  • You want to add motion or interaction to what's already there
  • The content is correct but the emphasis is wrong

Start fresh when:

  • The layout is fundamentally wrong (you asked for a grid but wanted a timeline)
  • You want a completely different approach to the same content
  • The slide has gone in a direction you don't like after several rounds

Starting fresh is just: "Scrap this and try again — this time with a split-screen layout instead." The AI doesn't take it personally.

The "Almost Right" Shortcut

Sometimes a slide is 90% there and you just need a nudge:

"This is great but make the headline a bit larger"

"Love this — just add a subtle entrance animation"

"Perfect layout, but make it feel more premium — darker background, more breathing room"

"Nearly there — swap the positions of the chart and the quote"

These small tweaks are often the difference between good and exceptional. Don't be afraid to send a one-line refinement.

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