レスポンシブ対応のヘキサゴンブロックを使ったハニカム構造のグリッドレイアウト

Result

flexboxでハニカム構造なレイアウトです
ヘキサゴンブロックを並べてRWDに対応したもの

css

.honeycomb {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  justify-content: center;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  transform: translateY(34.375px);
}
.honeycomb-cell {
  flex: 0 1 250px;
  max-width: 250px;
  height: 137.5px;
  margin: 65.4761904762px 12.5px 25px;
  position: relative;
  padding: 0.5em;
  text-align: center;
  z-index: 1;
}

.honeycomb-cell__image {
  object-fit: cover;
  object-position: center;
}
.honeycomb-cell::before, 
.honeycomb-cell::after {
  content: '';
}
.honeycomb-cell::before, 
.honeycomb-cell::after, 
.honeycomb-cell__image {
  top: -50%;
  left: 0;
  width: 100%;
  height: 200%;
  display: block;
  position: absolute;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  z-index: -1;
}

レイアウトに関わる部分だけ抜粋しています

html

<ul class="honeycomb" lang="es">
  <li class="honeycomb-cell">
    <img class="honeycomb-cell__image" src="https://picsum.photos/200/300">
    <div class="honeycomb-cell__title">01</div>
  </li>
  <li class="honeycomb-cell">
    <img class="honeycomb-cell__image" src="https://picsum.photos/200/301">
    <div class="honeycomb-cell__title">02</div>
  </li>
・
・
・
</ul>

via

Responsive Honeycomb Layout